Home / 186,398.04-257,229.27-101,515.11

Finding the Fourth Proportional to 186,398.04, 257,229.27 and 101,515.11

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Solution

The fourth proportional to 186,398.04, 257,229.27 and 101,515.11 is: 140,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,398.04 : 257,229.27 = 101,515.11 : x
  2. Step 2: Convert to fraction form
    186,398.04/257,229.27 = 101,515.11/x
  3. Step 3: Cross multiply
    186,398.04x = 257,229.27 × 101,515.11
  4. Step 4: Simplify right side
    186,398.04x = 26,112,656,674.66
  5. Step 5: Solve for x
    x = 26,112,656,674.66/186,398.04
  6. Step 6: Final answer
    x = 140,090.83

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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.