Home / 283,444.08-391,152.82-156,119.68

Finding the Fourth Proportional to 283,444.08, 391,152.82 and 156,119.68

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Solution

The fourth proportional to 283,444.08, 391,152.82 and 156,119.68 is: 215,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,444.08 : 391,152.82 = 156,119.68 : x
  2. Step 2: Convert to fraction form
    283,444.08/391,152.82 = 156,119.68/x
  3. Step 3: Cross multiply
    283,444.08x = 391,152.82 × 156,119.68
  4. Step 4: Simplify right side
    283,444.08x = 61,066,652,819.83
  5. Step 5: Solve for x
    x = 61,066,652,819.83/283,444.08
  6. Step 6: Final answer
    x = 215,445.15

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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.