Home / 148,382.78-205,047.66-112,506.26

Finding the Fourth Proportional to 148,382.78, 205,047.66 and 112,506.26

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Solution

The fourth proportional to 148,382.78, 205,047.66 and 112,506.26 is: 155,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,382.78 : 205,047.66 = 112,506.26 : x
  2. Step 2: Convert to fraction form
    148,382.78/205,047.66 = 112,506.26/x
  3. Step 3: Cross multiply
    148,382.78x = 205,047.66 × 112,506.26
  4. Step 4: Simplify right side
    148,382.78x = 23,069,145,348.35
  5. Step 5: Solve for x
    x = 23,069,145,348.35/148,382.78
  6. Step 6: Final answer
    x = 155,470.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.