Home / 175,458.14-242,134.68-98,980.78

Finding the Fourth Proportional to 175,458.14, 242,134.68 and 98,980.78

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Solution

The fourth proportional to 175,458.14, 242,134.68 and 98,980.78 is: 136,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,458.14 : 242,134.68 = 98,980.78 : x
  2. Step 2: Convert to fraction form
    175,458.14/242,134.68 = 98,980.78/x
  3. Step 3: Cross multiply
    175,458.14x = 242,134.68 × 98,980.78
  4. Step 4: Simplify right side
    175,458.14x = 23,966,678,280.78
  5. Step 5: Solve for x
    x = 23,966,678,280.78/175,458.14
  6. Step 6: Final answer
    x = 136,594.85

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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.