Home / 545,853.20-818,667.02-146,399

Finding the Fourth Proportional to 545,853.20, 818,667.02 and 146,399

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Solution

The fourth proportional to 545,853.20, 818,667.02 and 146,399 is: 219,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,853.20 : 818,667.02 = 146,399 : x
  2. Step 2: Convert to fraction form
    545,853.20/818,667.02 = 146,399/x
  3. Step 3: Cross multiply
    545,853.20x = 818,667.02 × 146,399
  4. Step 4: Simplify right side
    545,853.20x = 119,852,033,060.98
  5. Step 5: Solve for x
    x = 119,852,033,060.98/545,853.20
  6. Step 6: Final answer
    x = 219,568.25

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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.