Home / 316,549.20-474,823.80-106,136.40

Finding the Fourth Proportional to 316,549.20, 474,823.80 and 106,136.40

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Solution

The fourth proportional to 316,549.20, 474,823.80 and 106,136.40 is: 159,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,549.20 : 474,823.80 = 106,136.40 : x
  2. Step 2: Convert to fraction form
    316,549.20/474,823.80 = 106,136.40/x
  3. Step 3: Cross multiply
    316,549.20x = 474,823.80 × 106,136.40
  4. Step 4: Simplify right side
    316,549.20x = 50,396,088,766.32
  5. Step 5: Solve for x
    x = 50,396,088,766.32/316,549.20
  6. Step 6: Final answer
    x = 159,204.60

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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.