Home / 132,689.68-183,114.06-75,327.52

Finding the Fourth Proportional to 132,689.68, 183,114.06 and 75,327.52

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Solution

The fourth proportional to 132,689.68, 183,114.06 and 75,327.52 is: 103,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,689.68 : 183,114.06 = 75,327.52 : x
  2. Step 2: Convert to fraction form
    132,689.68/183,114.06 = 75,327.52/x
  3. Step 3: Cross multiply
    132,689.68x = 183,114.06 × 75,327.52
  4. Step 4: Simplify right side
    132,689.68x = 13,793,528,016.93
  5. Step 5: Solve for x
    x = 13,793,528,016.93/132,689.68
  6. Step 6: Final answer
    x = 103,953.28

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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.