Home / 283,746.08-391,572.18-156,426.20

Finding the Fourth Proportional to 283,746.08, 391,572.18 and 156,426.20

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Solution

The fourth proportional to 283,746.08, 391,572.18 and 156,426.20 is: 215,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,746.08 : 391,572.18 = 156,426.20 : x
  2. Step 2: Convert to fraction form
    283,746.08/391,572.18 = 156,426.20/x
  3. Step 3: Cross multiply
    283,746.08x = 391,572.18 × 156,426.20
  4. Step 4: Simplify right side
    283,746.08x = 61,252,148,143.12
  5. Step 5: Solve for x
    x = 61,252,148,143.12/283,746.08
  6. Step 6: Final answer
    x = 215,869.58

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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.