Home / 127,690.93-176,057.35-79,861.24

Finding the Fourth Proportional to 127,690.93, 176,057.35 and 79,861.24

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Solution

The fourth proportional to 127,690.93, 176,057.35 and 79,861.24 is: 110,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.93 : 176,057.35 = 79,861.24 : x
  2. Step 2: Convert to fraction form
    127,690.93/176,057.35 = 79,861.24/x
  3. Step 3: Cross multiply
    127,690.93x = 176,057.35 × 79,861.24
  4. Step 4: Simplify right side
    127,690.93x = 14,060,158,302.53
  5. Step 5: Solve for x
    x = 14,060,158,302.53/127,690.93
  6. Step 6: Final answer
    x = 110,110.86

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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.