Home / 127,713.77-176,244.93-74,029.89

Finding the Fourth Proportional to 127,713.77, 176,244.93 and 74,029.89

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Solution

The fourth proportional to 127,713.77, 176,244.93 and 74,029.89 is: 102,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,713.77 : 176,244.93 = 74,029.89 : x
  2. Step 2: Convert to fraction form
    127,713.77/176,244.93 = 74,029.89/x
  3. Step 3: Cross multiply
    127,713.77x = 176,244.93 × 74,029.89
  4. Step 4: Simplify right side
    127,713.77x = 13,047,392,780.96
  5. Step 5: Solve for x
    x = 13,047,392,780.96/127,713.77
  6. Step 6: Final answer
    x = 102,161.21

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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.