Home / 366,535.14-549,630.17-142,000.71

Finding the Fourth Proportional to 366,535.14, 549,630.17 and 142,000.71

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Solution

The fourth proportional to 366,535.14, 549,630.17 and 142,000.71 is: 212,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,535.14 : 549,630.17 = 142,000.71 : x
  2. Step 2: Convert to fraction form
    366,535.14/549,630.17 = 142,000.71/x
  3. Step 3: Cross multiply
    366,535.14x = 549,630.17 × 142,000.71
  4. Step 4: Simplify right side
    366,535.14x = 78,047,874,377.42
  5. Step 5: Solve for x
    x = 78,047,874,377.42/366,535.14
  6. Step 6: Final answer
    x = 212,934.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.