Home / 132,719.76-183,153.28-73,103.76

Finding the Fourth Proportional to 132,719.76, 183,153.28 and 73,103.76

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Solution

The fourth proportional to 132,719.76, 183,153.28 and 73,103.76 is: 100,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.76 : 183,153.28 = 73,103.76 : x
  2. Step 2: Convert to fraction form
    132,719.76/183,153.28 = 73,103.76/x
  3. Step 3: Cross multiply
    132,719.76x = 183,153.28 × 73,103.76
  4. Step 4: Simplify right side
    132,719.76x = 13,389,193,424.33
  5. Step 5: Solve for x
    x = 13,389,193,424.33/132,719.76
  6. Step 6: Final answer
    x = 100,883.19

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1.5x scale

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.