Home / 118,129.40-176,441.13-106,867.49

Finding the Fourth Proportional to 118,129.40, 176,441.13 and 106,867.49

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Solution

The fourth proportional to 118,129.40, 176,441.13 and 106,867.49 is: 159,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,129.40 : 176,441.13 = 106,867.49 : x
  2. Step 2: Convert to fraction form
    118,129.40/176,441.13 = 106,867.49/x
  3. Step 3: Cross multiply
    118,129.40x = 176,441.13 × 106,867.49
  4. Step 4: Simplify right side
    118,129.40x = 18,855,820,695.86
  5. Step 5: Solve for x
    x = 18,855,820,695.86/118,129.40
  6. Step 6: Final answer
    x = 159,620.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.