Home / 126,865.31-175,084.80-70,281.95

Finding the Fourth Proportional to 126,865.31, 175,084.80 and 70,281.95

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Solution

The fourth proportional to 126,865.31, 175,084.80 and 70,281.95 is: 96,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.31 : 175,084.80 = 70,281.95 : x
  2. Step 2: Convert to fraction form
    126,865.31/175,084.80 = 70,281.95/x
  3. Step 3: Cross multiply
    126,865.31x = 175,084.80 × 70,281.95
  4. Step 4: Simplify right side
    126,865.31x = 12,305,301,159.36
  5. Step 5: Solve for x
    x = 12,305,301,159.36/126,865.31
  6. Step 6: Final answer
    x = 96,995.00

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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.