Home / 117,706.46-162,470.49-80,002.58

Finding the Fourth Proportional to 117,706.46, 162,470.49 and 80,002.58

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Solution

The fourth proportional to 117,706.46, 162,470.49 and 80,002.58 is: 110,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.46 : 162,470.49 = 80,002.58 : x
  2. Step 2: Convert to fraction form
    117,706.46/162,470.49 = 80,002.58/x
  3. Step 3: Cross multiply
    117,706.46x = 162,470.49 × 80,002.58
  4. Step 4: Simplify right side
    117,706.46x = 12,998,058,373.86
  5. Step 5: Solve for x
    x = 12,998,058,373.86/117,706.46
  6. Step 6: Final answer
    x = 110,427.74

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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.