Home / 127,922.55-176,564.76-87,154.14

Finding the Fourth Proportional to 127,922.55, 176,564.76 and 87,154.14

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Solution

The fourth proportional to 127,922.55, 176,564.76 and 87,154.14 is: 120,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.55 : 176,564.76 = 87,154.14 : x
  2. Step 2: Convert to fraction form
    127,922.55/176,564.76 = 87,154.14/x
  3. Step 3: Cross multiply
    127,922.55x = 176,564.76 × 87,154.14
  4. Step 4: Simplify right side
    127,922.55x = 15,388,349,812.11
  5. Step 5: Solve for x
    x = 15,388,349,812.11/127,922.55
  6. Step 6: Final answer
    x = 120,294.27

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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.