Home / 118,020.40-177,030.60-29,273.20

Finding the Fourth Proportional to 118,020.40, 177,030.60 and 29,273.20

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Solution

The fourth proportional to 118,020.40, 177,030.60 and 29,273.20 is: 43,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.40 : 177,030.60 = 29,273.20 : x
  2. Step 2: Convert to fraction form
    118,020.40/177,030.60 = 29,273.20/x
  3. Step 3: Cross multiply
    118,020.40x = 177,030.60 × 29,273.20
  4. Step 4: Simplify right side
    118,020.40x = 5,182,252,159.92
  5. Step 5: Solve for x
    x = 5,182,252,159.92/118,020.40
  6. Step 6: Final answer
    x = 43,909.80

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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.