Home / 121,006.30-181,509.45-116,413.60

Finding the Fourth Proportional to 121,006.30, 181,509.45 and 116,413.60

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Solution

The fourth proportional to 121,006.30, 181,509.45 and 116,413.60 is: 174,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,006.30 : 181,509.45 = 116,413.60 : x
  2. Step 2: Convert to fraction form
    121,006.30/181,509.45 = 116,413.60/x
  3. Step 3: Cross multiply
    121,006.30x = 181,509.45 × 116,413.60
  4. Step 4: Simplify right side
    121,006.30x = 21,130,168,508.52
  5. Step 5: Solve for x
    x = 21,130,168,508.52/121,006.30
  6. Step 6: Final answer
    x = 174,620.40

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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.