Home / 117,430.14-176,177-83,738.73

Finding the Fourth Proportional to 117,430.14, 176,177 and 83,738.73

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Solution

The fourth proportional to 117,430.14, 176,177 and 83,738.73 is: 125,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,430.14 : 176,177 = 83,738.73 : x
  2. Step 2: Convert to fraction form
    117,430.14/176,177 = 83,738.73/x
  3. Step 3: Cross multiply
    117,430.14x = 176,177 × 83,738.73
  4. Step 4: Simplify right side
    117,430.14x = 14,752,838,235.21
  5. Step 5: Solve for x
    x = 14,752,838,235.21/117,430.14
  6. Step 6: Final answer
    x = 125,630.76

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1.5x scale

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.