Home / 148,614.39-205,087.86-84,953.61

Finding the Fourth Proportional to 148,614.39, 205,087.86 and 84,953.61

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Solution

The fourth proportional to 148,614.39, 205,087.86 and 84,953.61 is: 117,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,614.39 : 205,087.86 = 84,953.61 : x
  2. Step 2: Convert to fraction form
    148,614.39/205,087.86 = 84,953.61/x
  3. Step 3: Cross multiply
    148,614.39x = 205,087.86 × 84,953.61
  4. Step 4: Simplify right side
    148,614.39x = 17,422,954,074.17
  5. Step 5: Solve for x
    x = 17,422,954,074.17/148,614.39
  6. Step 6: Final answer
    x = 117,235.98

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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.