Home / 284,439.56-392,506.63-157,105.13

Finding the Fourth Proportional to 284,439.56, 392,506.63 and 157,105.13

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Solution

The fourth proportional to 284,439.56, 392,506.63 and 157,105.13 is: 216,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,439.56 : 392,506.63 = 157,105.13 : x
  2. Step 2: Convert to fraction form
    284,439.56/392,506.63 = 157,105.13/x
  3. Step 3: Cross multiply
    284,439.56x = 392,506.63 × 157,105.13
  4. Step 4: Simplify right side
    284,439.56x = 61,664,802,776.72
  5. Step 5: Solve for x
    x = 61,664,802,776.72/284,439.56
  6. Step 6: Final answer
    x = 216,794.05

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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.