Home / 283,154.00-390,755.27-155,832.53

Finding the Fourth Proportional to 283,154.00, 390,755.27 and 155,832.53

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Solution

The fourth proportional to 283,154.00, 390,755.27 and 155,832.53 is: 215,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,154.00 : 390,755.27 = 155,832.53 : x
  2. Step 2: Convert to fraction form
    283,154.00/390,755.27 = 155,832.53/x
  3. Step 3: Cross multiply
    283,154.00x = 390,755.27 × 155,832.53
  4. Step 4: Simplify right side
    283,154.00x = 60,892,380,770.74
  5. Step 5: Solve for x
    x = 60,892,380,770.74/283,154.00
  6. Step 6: Final answer
    x = 215,050.40

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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.