Home / 118,355.28-177,610.53-43,476.06

Finding the Fourth Proportional to 118,355.28, 177,610.53 and 43,476.06

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Solution

The fourth proportional to 118,355.28, 177,610.53 and 43,476.06 is: 65,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355.28 : 177,610.53 = 43,476.06 : x
  2. Step 2: Convert to fraction form
    118,355.28/177,610.53 = 43,476.06/x
  3. Step 3: Cross multiply
    118,355.28x = 177,610.53 × 43,476.06
  4. Step 4: Simplify right side
    118,355.28x = 7,721,806,058.91
  5. Step 5: Solve for x
    x = 7,721,806,058.91/118,355.28
  6. Step 6: Final answer
    x = 65,242.60

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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.