Home / 175,868.72-242,693.56-100,402.48

Finding the Fourth Proportional to 175,868.72, 242,693.56 and 100,402.48

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Solution

The fourth proportional to 175,868.72, 242,693.56 and 100,402.48 is: 138,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,868.72 : 242,693.56 = 100,402.48 : x
  2. Step 2: Convert to fraction form
    175,868.72/242,693.56 = 100,402.48/x
  3. Step 3: Cross multiply
    175,868.72x = 242,693.56 × 100,402.48
  4. Step 4: Simplify right side
    175,868.72x = 24,367,035,304.03
  5. Step 5: Solve for x
    x = 24,367,035,304.03/175,868.72
  6. Step 6: Final answer
    x = 138,552.41

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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.