Home / 191,808,413.60-287,712,620.40-174,235,431.20

Finding the Fourth Proportional to 191,808,413.60, 287,712,620.40 and 174,235,431.20

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Solution

The fourth proportional to 191,808,413.60, 287,712,620.40 and 174,235,431.20 is: 261,353,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,413.60 : 287,712,620.40 = 174,235,431.20 : x
  2. Step 2: Convert to fraction form
    191,808,413.60/287,712,620.40 = 174,235,431.20/x
  3. Step 3: Cross multiply
    191,808,413.60x = 287,712,620.40 × 174,235,431.20
  4. Step 4: Simplify right side
    191,808,413.60x = 50,129,732,477,075,912
  5. Step 5: Solve for x
    x = 50,129,732,477,075,912/191,808,413.60
  6. Step 6: Final answer
    x = 261,353,146.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.