Home / 143,725.39-215,629.70-59,470.00

Finding the Fourth Proportional to 143,725.39, 215,629.70 and 59,470.00

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Solution

The fourth proportional to 143,725.39, 215,629.70 and 59,470.00 is: 89,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,725.39 : 215,629.70 = 59,470.00 : x
  2. Step 2: Convert to fraction form
    143,725.39/215,629.70 = 59,470.00/x
  3. Step 3: Cross multiply
    143,725.39x = 215,629.70 × 59,470.00
  4. Step 4: Simplify right side
    143,725.39x = 12,823,497,422.58
  5. Step 5: Solve for x
    x = 12,823,497,422.58/143,725.39
  6. Step 6: Final answer
    x = 89,222.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.