Home / 127,020.66-175,315.84-76,044.76

Finding the Fourth Proportional to 127,020.66, 175,315.84 and 76,044.76

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Solution

The fourth proportional to 127,020.66, 175,315.84 and 76,044.76 is: 104,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.66 : 175,315.84 = 76,044.76 : x
  2. Step 2: Convert to fraction form
    127,020.66/175,315.84 = 76,044.76/x
  3. Step 3: Cross multiply
    127,020.66x = 175,315.84 × 76,044.76
  4. Step 4: Simplify right side
    127,020.66x = 13,331,851,515.96
  5. Step 5: Solve for x
    x = 13,331,851,515.96/127,020.66
  6. Step 6: Final answer
    x = 104,958.14

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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.