Home / 127,661.66-176,146.38-73,943.47

Finding the Fourth Proportional to 127,661.66, 176,146.38 and 73,943.47

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Solution

The fourth proportional to 127,661.66, 176,146.38 and 73,943.47 is: 102,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661.66 : 176,146.38 = 73,943.47 : x
  2. Step 2: Convert to fraction form
    127,661.66/176,146.38 = 73,943.47/x
  3. Step 3: Cross multiply
    127,661.66x = 176,146.38 × 73,943.47
  4. Step 4: Simplify right side
    127,661.66x = 13,024,874,124.77
  5. Step 5: Solve for x
    x = 13,024,874,124.77/127,661.66
  6. Step 6: Final answer
    x = 102,026.52

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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.