Home / 284,618.04-392,780.76-157,301.88

Finding the Fourth Proportional to 284,618.04, 392,780.76 and 157,301.88

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Solution

The fourth proportional to 284,618.04, 392,780.76 and 157,301.88 is: 217,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,618.04 : 392,780.76 = 157,301.88 : x
  2. Step 2: Convert to fraction form
    284,618.04/392,780.76 = 157,301.88/x
  3. Step 3: Cross multiply
    284,618.04x = 392,780.76 × 157,301.88
  4. Step 4: Simplify right side
    284,618.04x = 61,785,151,975.83
  5. Step 5: Solve for x
    x = 61,785,151,975.83/284,618.04
  6. Step 6: Final answer
    x = 217,080.94

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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.