Home / 132,725.98-183,155.38-75,357.78

Finding the Fourth Proportional to 132,725.98, 183,155.38 and 75,357.78

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Solution

The fourth proportional to 132,725.98, 183,155.38 and 75,357.78 is: 103,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,725.98 : 183,155.38 = 75,357.78 : x
  2. Step 2: Convert to fraction form
    132,725.98/183,155.38 = 75,357.78/x
  3. Step 3: Cross multiply
    132,725.98x = 183,155.38 × 75,357.78
  4. Step 4: Simplify right side
    132,725.98x = 13,802,182,831.86
  5. Step 5: Solve for x
    x = 13,802,182,831.86/132,725.98
  6. Step 6: Final answer
    x = 103,990.06

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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.