Home / 124,133.28-186,154.56-45,224.16

Finding the Fourth Proportional to 124,133.28, 186,154.56 and 45,224.16

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Solution

The fourth proportional to 124,133.28, 186,154.56 and 45,224.16 is: 67,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133.28 : 186,154.56 = 45,224.16 : x
  2. Step 2: Convert to fraction form
    124,133.28/186,154.56 = 45,224.16/x
  3. Step 3: Cross multiply
    124,133.28x = 186,154.56 × 45,224.16
  4. Step 4: Simplify right side
    124,133.28x = 8,418,683,606.17
  5. Step 5: Solve for x
    x = 8,418,683,606.17/124,133.28
  6. Step 6: Final answer
    x = 67,819.71

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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.