Home / 284,295.04-392,324.46-156,971.52

Finding the Fourth Proportional to 284,295.04, 392,324.46 and 156,971.52

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Solution

The fourth proportional to 284,295.04, 392,324.46 and 156,971.52 is: 216,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,295.04 : 392,324.46 = 156,971.52 : x
  2. Step 2: Convert to fraction form
    284,295.04/392,324.46 = 156,971.52/x
  3. Step 3: Cross multiply
    284,295.04x = 392,324.46 × 156,971.52
  4. Step 4: Simplify right side
    284,295.04x = 61,583,766,819.38
  5. Step 5: Solve for x
    x = 61,583,766,819.38/284,295.04
  6. Step 6: Final answer
    x = 216,619.21

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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.