Home / 157,434.90-236,152.35-101,447.70

Finding the Fourth Proportional to 157,434.90, 236,152.35 and 101,447.70

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Solution

The fourth proportional to 157,434.90, 236,152.35 and 101,447.70 is: 152,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,434.90 : 236,152.35 = 101,447.70 : x
  2. Step 2: Convert to fraction form
    157,434.90/236,152.35 = 101,447.70/x
  3. Step 3: Cross multiply
    157,434.90x = 236,152.35 × 101,447.70
  4. Step 4: Simplify right side
    157,434.90x = 23,957,112,757.10
  5. Step 5: Solve for x
    x = 23,957,112,757.10/157,434.90
  6. Step 6: Final answer
    x = 152,171.55

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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.