Home / 117,534.40-176,283.60-38,648.80

Finding the Fourth Proportional to 117,534.40, 176,283.60 and 38,648.80

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Solution

The fourth proportional to 117,534.40, 176,283.60 and 38,648.80 is: 57,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534.40 : 176,283.60 = 38,648.80 : x
  2. Step 2: Convert to fraction form
    117,534.40/176,283.60 = 38,648.80/x
  3. Step 3: Cross multiply
    117,534.40x = 176,283.60 × 38,648.80
  4. Step 4: Simplify right side
    117,534.40x = 6,813,149,599.68
  5. Step 5: Solve for x
    x = 6,813,149,599.68/117,534.40
  6. Step 6: Final answer
    x = 57,967.28

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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.