Home / 127,666.22-176,175.90-71,077.62

Finding the Fourth Proportional to 127,666.22, 176,175.90 and 71,077.62

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Solution

The fourth proportional to 127,666.22, 176,175.90 and 71,077.62 is: 98,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,666.22 : 176,175.90 = 71,077.62 : x
  2. Step 2: Convert to fraction form
    127,666.22/176,175.90 = 71,077.62/x
  3. Step 3: Cross multiply
    127,666.22x = 176,175.90 × 71,077.62
  4. Step 4: Simplify right side
    127,666.22x = 12,522,163,673.36
  5. Step 5: Solve for x
    x = 12,522,163,673.36/127,666.22
  6. Step 6: Final answer
    x = 98,085.18

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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.