Home / 284,100.48-392,055.24-156,773.28

Finding the Fourth Proportional to 284,100.48, 392,055.24 and 156,773.28

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Solution

The fourth proportional to 284,100.48, 392,055.24 and 156,773.28 is: 216,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,100.48 : 392,055.24 = 156,773.28 : x
  2. Step 2: Convert to fraction form
    284,100.48/392,055.24 = 156,773.28/x
  3. Step 3: Cross multiply
    284,100.48x = 392,055.24 × 156,773.28
  4. Step 4: Simplify right side
    284,100.48x = 61,463,785,915.99
  5. Step 5: Solve for x
    x = 61,463,785,915.99/284,100.48
  6. Step 6: Final answer
    x = 216,345.24

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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.