Home / 397,432.56-596,155.80-113,130.48

Finding the Fourth Proportional to 397,432.56, 596,155.80 and 113,130.48

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Solution

The fourth proportional to 397,432.56, 596,155.80 and 113,130.48 is: 169,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,432.56 : 596,155.80 = 113,130.48 : x
  2. Step 2: Convert to fraction form
    397,432.56/596,155.80 = 113,130.48/x
  3. Step 3: Cross multiply
    397,432.56x = 596,155.80 × 113,130.48
  4. Step 4: Simplify right side
    397,432.56x = 67,443,391,808.78
  5. Step 5: Solve for x
    x = 67,443,391,808.78/397,432.56
  6. Step 6: Final answer
    x = 169,697.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.