Home / 132,175.46-182,496.95-81,256.50

Finding the Fourth Proportional to 132,175.46, 182,496.95 and 81,256.50

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Solution

The fourth proportional to 132,175.46, 182,496.95 and 81,256.50 is: 112,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,175.46 : 182,496.95 = 81,256.50 : x
  2. Step 2: Convert to fraction form
    132,175.46/182,496.95 = 81,256.50/x
  3. Step 3: Cross multiply
    132,175.46x = 182,496.95 × 81,256.50
  4. Step 4: Simplify right side
    132,175.46x = 14,829,063,316.10
  5. Step 5: Solve for x
    x = 14,829,063,316.10/132,175.46
  6. Step 6: Final answer
    x = 112,192.26

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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.