Home / 118,534.86-177,872.40-43,707.60

Finding the Fourth Proportional to 118,534.86, 177,872.40 and 43,707.60

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Solution

The fourth proportional to 118,534.86, 177,872.40 and 43,707.60 is: 65,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,534.86 : 177,872.40 = 43,707.60 : x
  2. Step 2: Convert to fraction form
    118,534.86/177,872.40 = 43,707.60/x
  3. Step 3: Cross multiply
    118,534.86x = 177,872.40 × 43,707.60
  4. Step 4: Simplify right side
    118,534.86x = 7,774,375,710.24
  5. Step 5: Solve for x
    x = 7,774,375,710.24/118,534.86
  6. Step 6: Final answer
    x = 65,587.25

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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.