Home / 153,609.20-230,438.10-53,766.98

Finding the Fourth Proportional to 153,609.20, 230,438.10 and 53,766.98

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Solution

The fourth proportional to 153,609.20, 230,438.10 and 53,766.98 is: 80,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,609.20 : 230,438.10 = 53,766.98 : x
  2. Step 2: Convert to fraction form
    153,609.20/230,438.10 = 53,766.98/x
  3. Step 3: Cross multiply
    153,609.20x = 230,438.10 × 53,766.98
  4. Step 4: Simplify right side
    153,609.20x = 12,389,960,713.94
  5. Step 5: Solve for x
    x = 12,389,960,713.94/153,609.20
  6. Step 6: Final answer
    x = 80,658.98

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1.5x scale

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.