Home / 157,431.10-236,146.65-148,901.80

Finding the Fourth Proportional to 157,431.10, 236,146.65 and 148,901.80

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Solution

The fourth proportional to 157,431.10, 236,146.65 and 148,901.80 is: 223,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,431.10 : 236,146.65 = 148,901.80 : x
  2. Step 2: Convert to fraction form
    157,431.10/236,146.65 = 148,901.80/x
  3. Step 3: Cross multiply
    157,431.10x = 236,146.65 × 148,901.80
  4. Step 4: Simplify right side
    157,431.10x = 35,162,661,248.97
  5. Step 5: Solve for x
    x = 35,162,661,248.97/157,431.10
  6. Step 6: Final answer
    x = 223,352.70

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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.