Home / 161,437.14-242,153.28-72,627.93

Finding the Fourth Proportional to 161,437.14, 242,153.28 and 72,627.93

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Solution

The fourth proportional to 161,437.14, 242,153.28 and 72,627.93 is: 108,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,437.14 : 242,153.28 = 72,627.93 : x
  2. Step 2: Convert to fraction form
    161,437.14/242,153.28 = 72,627.93/x
  3. Step 3: Cross multiply
    161,437.14x = 242,153.28 × 72,627.93
  4. Step 4: Simplify right side
    161,437.14x = 17,587,091,469.11
  5. Step 5: Solve for x
    x = 17,587,091,469.11/161,437.14
  6. Step 6: Final answer
    x = 108,940.80

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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.