Home / 283,764.71-391,598.01-156,444.86

Finding the Fourth Proportional to 283,764.71, 391,598.01 and 156,444.86

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Solution

The fourth proportional to 283,764.71, 391,598.01 and 156,444.86 is: 215,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,764.71 : 391,598.01 = 156,444.86 : x
  2. Step 2: Convert to fraction form
    283,764.71/391,598.01 = 156,444.86/x
  3. Step 3: Cross multiply
    283,764.71x = 391,598.01 × 156,444.86
  4. Step 4: Simplify right side
    283,764.71x = 61,263,493,892.74
  5. Step 5: Solve for x
    x = 61,263,493,892.74/283,764.71
  6. Step 6: Final answer
    x = 215,895.40

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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.