Home / 148,382.19-204,860.88-103,045.68

Finding the Fourth Proportional to 148,382.19, 204,860.88 and 103,045.68

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Solution

The fourth proportional to 148,382.19, 204,860.88 and 103,045.68 is: 142,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,382.19 : 204,860.88 = 103,045.68 : x
  2. Step 2: Convert to fraction form
    148,382.19/204,860.88 = 103,045.68/x
  3. Step 3: Cross multiply
    148,382.19x = 204,860.88 × 103,045.68
  4. Step 4: Simplify right side
    148,382.19x = 21,110,028,685.00
  5. Step 5: Solve for x
    x = 21,110,028,685.00/148,382.19
  6. Step 6: Final answer
    x = 142,267.94

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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.