Home / 127,741.33-176,284.74-71,152.71

Finding the Fourth Proportional to 127,741.33, 176,284.74 and 71,152.71

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Solution

The fourth proportional to 127,741.33, 176,284.74 and 71,152.71 is: 98,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.33 : 176,284.74 = 71,152.71 : x
  2. Step 2: Convert to fraction form
    127,741.33/176,284.74 = 71,152.71/x
  3. Step 3: Cross multiply
    127,741.33x = 176,284.74 × 71,152.71
  4. Step 4: Simplify right side
    127,741.33x = 12,543,136,982.65
  5. Step 5: Solve for x
    x = 12,543,136,982.65/127,741.33
  6. Step 6: Final answer
    x = 98,191.69

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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.