Home / 103,833.39-143,280.33-58,503.90

Finding the Fourth Proportional to 103,833.39, 143,280.33 and 58,503.90

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Solution

The fourth proportional to 103,833.39, 143,280.33 and 58,503.90 is: 80,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,833.39 : 143,280.33 = 58,503.90 : x
  2. Step 2: Convert to fraction form
    103,833.39/143,280.33 = 58,503.90/x
  3. Step 3: Cross multiply
    103,833.39x = 143,280.33 × 58,503.90
  4. Step 4: Simplify right side
    103,833.39x = 8,382,458,098.29
  5. Step 5: Solve for x
    x = 8,382,458,098.29/103,833.39
  6. Step 6: Final answer
    x = 80,729.89

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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.