Home / 152,749.80-229,140.24-52,909.80

Finding the Fourth Proportional to 152,749.80, 229,140.24 and 52,909.80

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Solution

The fourth proportional to 152,749.80, 229,140.24 and 52,909.80 is: 79,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,749.80 : 229,140.24 = 52,909.80 : x
  2. Step 2: Convert to fraction form
    152,749.80/229,140.24 = 52,909.80/x
  3. Step 3: Cross multiply
    152,749.80x = 229,140.24 × 52,909.80
  4. Step 4: Simplify right side
    152,749.80x = 12,123,764,270.35
  5. Step 5: Solve for x
    x = 12,123,764,270.35/152,749.80
  6. Step 6: Final answer
    x = 79,370.08

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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.