Home / 136,023.56-187,708.72-75,592.64

Finding the Fourth Proportional to 136,023.56, 187,708.72 and 75,592.64

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Solution

The fourth proportional to 136,023.56, 187,708.72 and 75,592.64 is: 104,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,023.56 : 187,708.72 = 75,592.64 : x
  2. Step 2: Convert to fraction form
    136,023.56/187,708.72 = 75,592.64/x
  3. Step 3: Cross multiply
    136,023.56x = 187,708.72 × 75,592.64
  4. Step 4: Simplify right side
    136,023.56x = 14,189,397,695.82
  5. Step 5: Solve for x
    x = 14,189,397,695.82/136,023.56
  6. Step 6: Final answer
    x = 104,315.74

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1.5x scale

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.