Home / 175,748.18-242,552.13-100,309.46

Finding the Fourth Proportional to 175,748.18, 242,552.13 and 100,309.46

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Solution

The fourth proportional to 175,748.18, 242,552.13 and 100,309.46 is: 138,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,748.18 : 242,552.13 = 100,309.46 : x
  2. Step 2: Convert to fraction form
    175,748.18/242,552.13 = 100,309.46/x
  3. Step 3: Cross multiply
    175,748.18x = 242,552.13 × 100,309.46
  4. Step 4: Simplify right side
    175,748.18x = 24,330,273,182.15
  5. Step 5: Solve for x
    x = 24,330,273,182.15/175,748.18
  6. Step 6: Final answer
    x = 138,438.27

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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.