Home / 131,825.04-181,931.58-75,244.92

Finding the Fourth Proportional to 131,825.04, 181,931.58 and 75,244.92

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Solution

The fourth proportional to 131,825.04, 181,931.58 and 75,244.92 is: 103,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.04 : 181,931.58 = 75,244.92 : x
  2. Step 2: Convert to fraction form
    131,825.04/181,931.58 = 75,244.92/x
  3. Step 3: Cross multiply
    131,825.04x = 181,931.58 × 75,244.92
  4. Step 4: Simplify right side
    131,825.04x = 13,689,427,182.57
  5. Step 5: Solve for x
    x = 13,689,427,182.57/131,825.04
  6. Step 6: Final answer
    x = 103,845.42

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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.