Home / 132,707.92-183,139.23-75,345.75

Finding the Fourth Proportional to 132,707.92, 183,139.23 and 75,345.75

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Solution

The fourth proportional to 132,707.92, 183,139.23 and 75,345.75 is: 103,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,707.92 : 183,139.23 = 75,345.75 : x
  2. Step 2: Convert to fraction form
    132,707.92/183,139.23 = 75,345.75/x
  3. Step 3: Cross multiply
    132,707.92x = 183,139.23 × 75,345.75
  4. Step 4: Simplify right side
    132,707.92x = 13,798,762,638.77
  5. Step 5: Solve for x
    x = 13,798,762,638.77/132,707.92
  6. Step 6: Final answer
    x = 103,978.44

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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.