Home / 156,956.40-235,434.60-57,119.85

Finding the Fourth Proportional to 156,956.40, 235,434.60 and 57,119.85

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Solution

The fourth proportional to 156,956.40, 235,434.60 and 57,119.85 is: 85,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.40 : 235,434.60 = 57,119.85 : x
  2. Step 2: Convert to fraction form
    156,956.40/235,434.60 = 57,119.85/x
  3. Step 3: Cross multiply
    156,956.40x = 235,434.60 × 57,119.85
  4. Step 4: Simplify right side
    156,956.40x = 13,447,989,036.81
  5. Step 5: Solve for x
    x = 13,447,989,036.81/156,956.40
  6. Step 6: Final answer
    x = 85,679.78

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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.