Home / 283,988.60-391,901.70-156,665.24

Finding the Fourth Proportional to 283,988.60, 391,901.70 and 156,665.24

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Solution

The fourth proportional to 283,988.60, 391,901.70 and 156,665.24 is: 216,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,988.60 : 391,901.70 = 156,665.24 : x
  2. Step 2: Convert to fraction form
    283,988.60/391,901.70 = 156,665.24/x
  3. Step 3: Cross multiply
    283,988.60x = 391,901.70 × 156,665.24
  4. Step 4: Simplify right side
    283,988.60x = 61,397,373,886.91
  5. Step 5: Solve for x
    x = 61,397,373,886.91/283,988.60
  6. Step 6: Final answer
    x = 216,196.61

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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.