Home / 114,501.72-158,217.70-89,540.76

Finding the Fourth Proportional to 114,501.72, 158,217.70 and 89,540.76

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Solution

The fourth proportional to 114,501.72, 158,217.70 and 89,540.76 is: 123,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,501.72 : 158,217.70 = 89,540.76 : x
  2. Step 2: Convert to fraction form
    114,501.72/158,217.70 = 89,540.76/x
  3. Step 3: Cross multiply
    114,501.72x = 158,217.70 × 89,540.76
  4. Step 4: Simplify right side
    114,501.72x = 14,166,933,103.45
  5. Step 5: Solve for x
    x = 14,166,933,103.45/114,501.72
  6. Step 6: Final answer
    x = 123,726.81

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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.