Home / 113,799.40-157,096.32-66,043.52

Finding the Fourth Proportional to 113,799.40, 157,096.32 and 66,043.52

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Solution

The fourth proportional to 113,799.40, 157,096.32 and 66,043.52 is: 91,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,799.40 : 157,096.32 = 66,043.52 : x
  2. Step 2: Convert to fraction form
    113,799.40/157,096.32 = 66,043.52/x
  3. Step 3: Cross multiply
    113,799.40x = 157,096.32 × 66,043.52
  4. Step 4: Simplify right side
    113,799.40x = 10,375,193,951.85
  5. Step 5: Solve for x
    x = 10,375,193,951.85/113,799.40
  6. Step 6: Final answer
    x = 91,170.90

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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.