Home / 293,134.18-439,718.28-82,754.50

Finding the Fourth Proportional to 293,134.18, 439,718.28 and 82,754.50

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Solution

The fourth proportional to 293,134.18, 439,718.28 and 82,754.50 is: 124,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.18 : 439,718.28 = 82,754.50 : x
  2. Step 2: Convert to fraction form
    293,134.18/439,718.28 = 82,754.50/x
  3. Step 3: Cross multiply
    293,134.18x = 439,718.28 × 82,754.50
  4. Step 4: Simplify right side
    293,134.18x = 36,388,666,402.26
  5. Step 5: Solve for x
    x = 36,388,666,402.26/293,134.18
  6. Step 6: Final answer
    x = 124,136.55

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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.