Home / 283,444.03-391,152.76-156,119.62

Finding the Fourth Proportional to 283,444.03, 391,152.76 and 156,119.62

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Solution

The fourth proportional to 283,444.03, 391,152.76 and 156,119.62 is: 215,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,444.03 : 391,152.76 = 156,119.62 : x
  2. Step 2: Convert to fraction form
    283,444.03/391,152.76 = 156,119.62/x
  3. Step 3: Cross multiply
    283,444.03x = 391,152.76 × 156,119.62
  4. Step 4: Simplify right side
    283,444.03x = 61,066,620,253.15
  5. Step 5: Solve for x
    x = 61,066,620,253.15/283,444.03
  6. Step 6: Final answer
    x = 215,445.07

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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.