Home / 578,624.80-867,937.20-152,159.80

Finding the Fourth Proportional to 578,624.80, 867,937.20 and 152,159.80

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Solution

The fourth proportional to 578,624.80, 867,937.20 and 152,159.80 is: 228,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,624.80 : 867,937.20 = 152,159.80 : x
  2. Step 2: Convert to fraction form
    578,624.80/867,937.20 = 152,159.80/x
  3. Step 3: Cross multiply
    578,624.80x = 867,937.20 × 152,159.80
  4. Step 4: Simplify right side
    578,624.80x = 132,065,150,764.56
  5. Step 5: Solve for x
    x = 132,065,150,764.56/578,624.80
  6. Step 6: Final answer
    x = 228,239.70

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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.