Home / 161,711.49-242,299.07-98,339.92

Finding the Fourth Proportional to 161,711.49, 242,299.07 and 98,339.92

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Solution

The fourth proportional to 161,711.49, 242,299.07 and 98,339.92 is: 147,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.49 : 242,299.07 = 98,339.92 : x
  2. Step 2: Convert to fraction form
    161,711.49/242,299.07 = 98,339.92/x
  3. Step 3: Cross multiply
    161,711.49x = 242,299.07 × 98,339.92
  4. Step 4: Simplify right side
    161,711.49x = 23,827,671,159.87
  5. Step 5: Solve for x
    x = 23,827,671,159.87/161,711.49
  6. Step 6: Final answer
    x = 147,346.80

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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.