Home / 284,413.28-392,495.64-157,086.14

Finding the Fourth Proportional to 284,413.28, 392,495.64 and 157,086.14

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Solution

The fourth proportional to 284,413.28, 392,495.64 and 157,086.14 is: 216,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,413.28 : 392,495.64 = 157,086.14 : x
  2. Step 2: Convert to fraction form
    284,413.28/392,495.64 = 157,086.14/x
  3. Step 3: Cross multiply
    284,413.28x = 392,495.64 × 157,086.14
  4. Step 4: Simplify right side
    284,413.28x = 61,655,625,054.43
  5. Step 5: Solve for x
    x = 61,655,625,054.43/284,413.28
  6. Step 6: Final answer
    x = 216,781.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.