Home / 136,527.24-188,407.16-76,097.20

Finding the Fourth Proportional to 136,527.24, 188,407.16 and 76,097.20

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Solution

The fourth proportional to 136,527.24, 188,407.16 and 76,097.20 is: 105,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.24 : 188,407.16 = 76,097.20 : x
  2. Step 2: Convert to fraction form
    136,527.24/188,407.16 = 76,097.20/x
  3. Step 3: Cross multiply
    136,527.24x = 188,407.16 × 76,097.20
  4. Step 4: Simplify right side
    136,527.24x = 14,337,257,335.95
  5. Step 5: Solve for x
    x = 14,337,257,335.95/136,527.24
  6. Step 6: Final answer
    x = 105,013.90

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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.