Home / 148,730.40-223,268.40-89,632.80

Finding the Fourth Proportional to 148,730.40, 223,268.40 and 89,632.80

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Solution

The fourth proportional to 148,730.40, 223,268.40 and 89,632.80 is: 134,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,730.40 : 223,268.40 = 89,632.80 : x
  2. Step 2: Convert to fraction form
    148,730.40/223,268.40 = 89,632.80/x
  3. Step 3: Cross multiply
    148,730.40x = 223,268.40 × 89,632.80
  4. Step 4: Simplify right side
    148,730.40x = 20,012,171,843.52
  5. Step 5: Solve for x
    x = 20,012,171,843.52/148,730.40
  6. Step 6: Final answer
    x = 134,553.34

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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.