Home / 318,331.84-439,360.35-182,456.87

Finding the Fourth Proportional to 318,331.84, 439,360.35 and 182,456.87

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Solution

The fourth proportional to 318,331.84, 439,360.35 and 182,456.87 is: 251,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,331.84 : 439,360.35 = 182,456.87 : x
  2. Step 2: Convert to fraction form
    318,331.84/439,360.35 = 182,456.87/x
  3. Step 3: Cross multiply
    318,331.84x = 439,360.35 × 182,456.87
  4. Step 4: Simplify right side
    318,331.84x = 80,164,314,263.10
  5. Step 5: Solve for x
    x = 80,164,314,263.10/318,331.84
  6. Step 6: Final answer
    x = 251,826.25

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1.5x scale

Why These Related Problems?

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