Home / 316,280.20-474,420.30-105,896.20

Finding the Fourth Proportional to 316,280.20, 474,420.30 and 105,896.20

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Solution

The fourth proportional to 316,280.20, 474,420.30 and 105,896.20 is: 158,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,280.20 : 474,420.30 = 105,896.20 : x
  2. Step 2: Convert to fraction form
    316,280.20/474,420.30 = 105,896.20/x
  3. Step 3: Cross multiply
    316,280.20x = 474,420.30 × 105,896.20
  4. Step 4: Simplify right side
    316,280.20x = 50,239,306,972.86
  5. Step 5: Solve for x
    x = 50,239,306,972.86/316,280.20
  6. Step 6: Final answer
    x = 158,844.30

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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.