Home / 283,444.53-391,153.46-156,120.12

Finding the Fourth Proportional to 283,444.53, 391,153.46 and 156,120.12

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Solution

The fourth proportional to 283,444.53, 391,153.46 and 156,120.12 is: 215,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,444.53 : 391,153.46 = 156,120.12 : x
  2. Step 2: Convert to fraction form
    283,444.53/391,153.46 = 156,120.12/x
  3. Step 3: Cross multiply
    283,444.53x = 391,153.46 × 156,120.12
  4. Step 4: Simplify right side
    283,444.53x = 61,066,924,333.01
  5. Step 5: Solve for x
    x = 61,066,924,333.01/283,444.53
  6. Step 6: Final answer
    x = 215,445.77

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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.