Home / 314,324.20-471,486.30-127,335.70

Finding the Fourth Proportional to 314,324.20, 471,486.30 and 127,335.70

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Solution

The fourth proportional to 314,324.20, 471,486.30 and 127,335.70 is: 191,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,324.20 : 471,486.30 = 127,335.70 : x
  2. Step 2: Convert to fraction form
    314,324.20/471,486.30 = 127,335.70/x
  3. Step 3: Cross multiply
    314,324.20x = 471,486.30 × 127,335.70
  4. Step 4: Simplify right side
    314,324.20x = 60,037,038,050.91
  5. Step 5: Solve for x
    x = 60,037,038,050.91/314,324.20
  6. Step 6: Final answer
    x = 191,003.55

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1.5x scale

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.