Home / 125,141.49-172,719.27-97,863.53

Finding the Fourth Proportional to 125,141.49, 172,719.27 and 97,863.53

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Solution

The fourth proportional to 125,141.49, 172,719.27 and 97,863.53 is: 135,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.49 : 172,719.27 = 97,863.53 : x
  2. Step 2: Convert to fraction form
    125,141.49/172,719.27 = 97,863.53/x
  3. Step 3: Cross multiply
    125,141.49x = 172,719.27 × 97,863.53
  4. Step 4: Simplify right side
    125,141.49x = 16,902,916,597.63
  5. Step 5: Solve for x
    x = 16,902,916,597.63/125,141.49
  6. Step 6: Final answer
    x = 135,070.44

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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.