Home / 153,741.98-212,025.78-96,387.56

Finding the Fourth Proportional to 153,741.98, 212,025.78 and 96,387.56

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Solution

The fourth proportional to 153,741.98, 212,025.78 and 96,387.56 is: 132,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,741.98 : 212,025.78 = 96,387.56 : x
  2. Step 2: Convert to fraction form
    153,741.98/212,025.78 = 96,387.56/x
  3. Step 3: Cross multiply
    153,741.98x = 212,025.78 × 96,387.56
  4. Step 4: Simplify right side
    153,741.98x = 20,436,646,531.17
  5. Step 5: Solve for x
    x = 20,436,646,531.17/153,741.98
  6. Step 6: Final answer
    x = 132,928.22

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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.