Home / 132,505.26-182,792.88-78,752.25

Finding the Fourth Proportional to 132,505.26, 182,792.88 and 78,752.25

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Solution

The fourth proportional to 132,505.26, 182,792.88 and 78,752.25 is: 108,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.26 : 182,792.88 = 78,752.25 : x
  2. Step 2: Convert to fraction form
    132,505.26/182,792.88 = 78,752.25/x
  3. Step 3: Cross multiply
    132,505.26x = 182,792.88 × 78,752.25
  4. Step 4: Simplify right side
    132,505.26x = 14,395,350,583.98
  5. Step 5: Solve for x
    x = 14,395,350,583.98/132,505.26
  6. Step 6: Final answer
    x = 108,639.84

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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.