Home / 118,233.40-177,350.10-111,818.20

Finding the Fourth Proportional to 118,233.40, 177,350.10 and 111,818.20

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Solution

The fourth proportional to 118,233.40, 177,350.10 and 111,818.20 is: 167,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.40 : 177,350.10 = 111,818.20 : x
  2. Step 2: Convert to fraction form
    118,233.40/177,350.10 = 111,818.20/x
  3. Step 3: Cross multiply
    118,233.40x = 177,350.10 × 111,818.20
  4. Step 4: Simplify right side
    118,233.40x = 19,830,968,951.82
  5. Step 5: Solve for x
    x = 19,830,968,951.82/118,233.40
  6. Step 6: Final answer
    x = 167,727.30

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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.