Home / 284,298.04-392,320.83-156,970.90

Finding the Fourth Proportional to 284,298.04, 392,320.83 and 156,970.90

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Solution

The fourth proportional to 284,298.04, 392,320.83 and 156,970.90 is: 216,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.04 : 392,320.83 = 156,970.90 : x
  2. Step 2: Convert to fraction form
    284,298.04/392,320.83 = 156,970.90/x
  3. Step 3: Cross multiply
    284,298.04x = 392,320.83 × 156,970.90
  4. Step 4: Simplify right side
    284,298.04x = 61,582,953,773.85
  5. Step 5: Solve for x
    x = 61,582,953,773.85/284,298.04
  6. Step 6: Final answer
    x = 216,614.06

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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.