Home / 127,921.93-176,532.95-70,563.26

Finding the Fourth Proportional to 127,921.93, 176,532.95 and 70,563.26

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Solution

The fourth proportional to 127,921.93, 176,532.95 and 70,563.26 is: 97,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.93 : 176,532.95 = 70,563.26 : x
  2. Step 2: Convert to fraction form
    127,921.93/176,532.95 = 70,563.26/x
  3. Step 3: Cross multiply
    127,921.93x = 176,532.95 × 70,563.26
  4. Step 4: Simplify right side
    127,921.93x = 12,456,741,067.16
  5. Step 5: Solve for x
    x = 12,456,741,067.16/127,921.93
  6. Step 6: Final answer
    x = 97,377.68

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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.