Home / 148,925.80-223,388.70-142,013.80

Finding the Fourth Proportional to 148,925.80, 223,388.70 and 142,013.80

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Solution

The fourth proportional to 148,925.80, 223,388.70 and 142,013.80 is: 213,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,925.80 : 223,388.70 = 142,013.80 : x
  2. Step 2: Convert to fraction form
    148,925.80/223,388.70 = 142,013.80/x
  3. Step 3: Cross multiply
    148,925.80x = 223,388.70 × 142,013.80
  4. Step 4: Simplify right side
    148,925.80x = 31,724,278,164.06
  5. Step 5: Solve for x
    x = 31,724,278,164.06/148,925.80
  6. Step 6: Final answer
    x = 213,020.70

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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.