Home / 152,969.40-229,454.28-47,788.92

Finding the Fourth Proportional to 152,969.40, 229,454.28 and 47,788.92

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Solution

The fourth proportional to 152,969.40, 229,454.28 and 47,788.92 is: 71,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,969.40 : 229,454.28 = 47,788.92 : x
  2. Step 2: Convert to fraction form
    152,969.40/229,454.28 = 47,788.92/x
  3. Step 3: Cross multiply
    152,969.40x = 229,454.28 × 47,788.92
  4. Step 4: Simplify right side
    152,969.40x = 10,965,372,230.58
  5. Step 5: Solve for x
    x = 10,965,372,230.58/152,969.40
  6. Step 6: Final answer
    x = 71,683.44

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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.