Home / 318,429.16-439,432.22-175,186.13

Finding the Fourth Proportional to 318,429.16, 439,432.22 and 175,186.13

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Solution

The fourth proportional to 318,429.16, 439,432.22 and 175,186.13 is: 241,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,429.16 : 439,432.22 = 175,186.13 : x
  2. Step 2: Convert to fraction form
    318,429.16/439,432.22 = 175,186.13/x
  3. Step 3: Cross multiply
    318,429.16x = 439,432.22 × 175,186.13
  4. Step 4: Simplify right side
    318,429.16x = 76,982,428,259.91
  5. Step 5: Solve for x
    x = 76,982,428,259.91/318,429.16
  6. Step 6: Final answer
    x = 241,756.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.