Home / 121,154.40-181,731.60-95,882.40

Finding the Fourth Proportional to 121,154.40, 181,731.60 and 95,882.40

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Solution

The fourth proportional to 121,154.40, 181,731.60 and 95,882.40 is: 143,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,154.40 : 181,731.60 = 95,882.40 : x
  2. Step 2: Convert to fraction form
    121,154.40/181,731.60 = 95,882.40/x
  3. Step 3: Cross multiply
    121,154.40x = 181,731.60 × 95,882.40
  4. Step 4: Simplify right side
    121,154.40x = 17,424,861,963.84
  5. Step 5: Solve for x
    x = 17,424,861,963.84/121,154.40
  6. Step 6: Final answer
    x = 143,823.60

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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.