Home / 127,670.46-176,182.11-71,080.62

Finding the Fourth Proportional to 127,670.46, 176,182.11 and 71,080.62

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Solution

The fourth proportional to 127,670.46, 176,182.11 and 71,080.62 is: 98,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670.46 : 176,182.11 = 71,080.62 : x
  2. Step 2: Convert to fraction form
    127,670.46/176,182.11 = 71,080.62/x
  3. Step 3: Cross multiply
    127,670.46x = 176,182.11 × 71,080.62
  4. Step 4: Simplify right side
    127,670.46x = 12,523,133,611.71
  5. Step 5: Solve for x
    x = 12,523,133,611.71/127,670.46
  6. Step 6: Final answer
    x = 98,089.52

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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.