Home / 157,308.20-235,871.17-107,448.55

Finding the Fourth Proportional to 157,308.20, 235,871.17 and 107,448.55

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Solution

The fourth proportional to 157,308.20, 235,871.17 and 107,448.55 is: 161,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,308.20 : 235,871.17 = 107,448.55 : x
  2. Step 2: Convert to fraction form
    157,308.20/235,871.17 = 107,448.55/x
  3. Step 3: Cross multiply
    157,308.20x = 235,871.17 × 107,448.55
  4. Step 4: Simplify right side
    157,308.20x = 25,344,015,203.30
  5. Step 5: Solve for x
    x = 25,344,015,203.30/157,308.20
  6. Step 6: Final answer
    x = 161,110.58

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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.