Home / 100,386.80-150,525.20-46,292.76

Finding the Fourth Proportional to 100,386.80, 150,525.20 and 46,292.76

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Solution

The fourth proportional to 100,386.80, 150,525.20 and 46,292.76 is: 69,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,386.80 : 150,525.20 = 46,292.76 : x
  2. Step 2: Convert to fraction form
    100,386.80/150,525.20 = 46,292.76/x
  3. Step 3: Cross multiply
    100,386.80x = 150,525.20 × 46,292.76
  4. Step 4: Simplify right side
    100,386.80x = 6,968,226,726.09
  5. Step 5: Solve for x
    x = 6,968,226,726.09/100,386.80
  6. Step 6: Final answer
    x = 69,413.78

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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.