Home / 113,800.40-157,097.70-66,044.52

Finding the Fourth Proportional to 113,800.40, 157,097.70 and 66,044.52

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Solution

The fourth proportional to 113,800.40, 157,097.70 and 66,044.52 is: 91,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.40 : 157,097.70 = 66,044.52 : x
  2. Step 2: Convert to fraction form
    113,800.40/157,097.70 = 66,044.52/x
  3. Step 3: Cross multiply
    113,800.40x = 157,097.70 × 66,044.52
  4. Step 4: Simplify right side
    113,800.40x = 10,375,442,189.60
  5. Step 5: Solve for x
    x = 10,375,442,189.60/113,800.40
  6. Step 6: Final answer
    x = 91,172.28

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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.