Home / 293,136.18-439,721.28-82,756.50

Finding the Fourth Proportional to 293,136.18, 439,721.28 and 82,756.50

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Solution

The fourth proportional to 293,136.18, 439,721.28 and 82,756.50 is: 124,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,136.18 : 439,721.28 = 82,756.50 : x
  2. Step 2: Convert to fraction form
    293,136.18/439,721.28 = 82,756.50/x
  3. Step 3: Cross multiply
    293,136.18x = 439,721.28 × 82,756.50
  4. Step 4: Simplify right side
    293,136.18x = 36,389,794,108.32
  5. Step 5: Solve for x
    x = 36,389,794,108.32/293,136.18
  6. Step 6: Final answer
    x = 124,139.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.