Home / 125,088.24-172,605.96-99,659.10

Finding the Fourth Proportional to 125,088.24, 172,605.96 and 99,659.10

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Solution

The fourth proportional to 125,088.24, 172,605.96 and 99,659.10 is: 137,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,088.24 : 172,605.96 = 99,659.10 : x
  2. Step 2: Convert to fraction form
    125,088.24/172,605.96 = 99,659.10/x
  3. Step 3: Cross multiply
    125,088.24x = 172,605.96 × 99,659.10
  4. Step 4: Simplify right side
    125,088.24x = 17,201,754,628.24
  5. Step 5: Solve for x
    x = 17,201,754,628.24/125,088.24
  6. Step 6: Final answer
    x = 137,516.96

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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.