Home / 130,060.77-179,502.92-76,375.18

Finding the Fourth Proportional to 130,060.77, 179,502.92 and 76,375.18

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Solution

The fourth proportional to 130,060.77, 179,502.92 and 76,375.18 is: 105,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.77 : 179,502.92 = 76,375.18 : x
  2. Step 2: Convert to fraction form
    130,060.77/179,502.92 = 76,375.18/x
  3. Step 3: Cross multiply
    130,060.77x = 179,502.92 × 76,375.18
  4. Step 4: Simplify right side
    130,060.77x = 13,709,567,825.53
  5. Step 5: Solve for x
    x = 13,709,567,825.53/130,060.77
  6. Step 6: Final answer
    x = 105,408.94

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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.