Home / 318,331.84-439,298.15-175,102.78

Finding the Fourth Proportional to 318,331.84, 439,298.15 and 175,102.78

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Solution

The fourth proportional to 318,331.84, 439,298.15 and 175,102.78 is: 241,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,331.84 : 439,298.15 = 175,102.78 : x
  2. Step 2: Convert to fraction form
    318,331.84/439,298.15 = 175,102.78/x
  3. Step 3: Cross multiply
    318,331.84x = 439,298.15 × 175,102.78
  4. Step 4: Simplify right side
    318,331.84x = 76,922,327,313.86
  5. Step 5: Solve for x
    x = 76,922,327,313.86/318,331.84
  6. Step 6: Final answer
    x = 241,641.95

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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.