Home / 118,113.13-177,168.97-43,238.49

Finding the Fourth Proportional to 118,113.13, 177,168.97 and 43,238.49

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Solution

The fourth proportional to 118,113.13, 177,168.97 and 43,238.49 is: 64,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,113.13 : 177,168.97 = 43,238.49 : x
  2. Step 2: Convert to fraction form
    118,113.13/177,168.97 = 43,238.49/x
  3. Step 3: Cross multiply
    118,113.13x = 177,168.97 × 43,238.49
  4. Step 4: Simplify right side
    118,113.13x = 7,660,518,737.66
  5. Step 5: Solve for x
    x = 7,660,518,737.66/118,113.13
  6. Step 6: Final answer
    x = 64,857.47

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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.