Home / 154,186.17-212,765.17-93,748.43

Finding the Fourth Proportional to 154,186.17, 212,765.17 and 93,748.43

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Solution

The fourth proportional to 154,186.17, 212,765.17 and 93,748.43 is: 129,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,186.17 : 212,765.17 = 93,748.43 : x
  2. Step 2: Convert to fraction form
    154,186.17/212,765.17 = 93,748.43/x
  3. Step 3: Cross multiply
    154,186.17x = 212,765.17 × 93,748.43
  4. Step 4: Simplify right side
    154,186.17x = 19,946,400,646.18
  5. Step 5: Solve for x
    x = 19,946,400,646.18/154,186.17
  6. Step 6: Final answer
    x = 129,365.69

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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.