Home / 148,921.40-223,382.10-147,609.20

Finding the Fourth Proportional to 148,921.40, 223,382.10 and 147,609.20

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Solution

The fourth proportional to 148,921.40, 223,382.10 and 147,609.20 is: 221,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,921.40 : 223,382.10 = 147,609.20 : x
  2. Step 2: Convert to fraction form
    148,921.40/223,382.10 = 147,609.20/x
  3. Step 3: Cross multiply
    148,921.40x = 223,382.10 × 147,609.20
  4. Step 4: Simplify right side
    148,921.40x = 32,973,253,075.32
  5. Step 5: Solve for x
    x = 32,973,253,075.32/148,921.40
  6. Step 6: Final answer
    x = 221,413.80

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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.