Home / 132,919.45-183,325.17-85,177.24

Finding the Fourth Proportional to 132,919.45, 183,325.17 and 85,177.24

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Solution

The fourth proportional to 132,919.45, 183,325.17 and 85,177.24 is: 117,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.45 : 183,325.17 = 85,177.24 : x
  2. Step 2: Convert to fraction form
    132,919.45/183,325.17 = 85,177.24/x
  3. Step 3: Cross multiply
    132,919.45x = 183,325.17 × 85,177.24
  4. Step 4: Simplify right side
    132,919.45x = 15,615,131,864.23
  5. Step 5: Solve for x
    x = 15,615,131,864.23/132,919.45
  6. Step 6: Final answer
    x = 117,478.16

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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.