Home / 318,432.13-477,763.01-160,541.66

Finding the Fourth Proportional to 318,432.13, 477,763.01 and 160,541.66

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Solution

The fourth proportional to 318,432.13, 477,763.01 and 160,541.66 is: 240,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,432.13 : 477,763.01 = 160,541.66 : x
  2. Step 2: Convert to fraction form
    318,432.13/477,763.01 = 160,541.66/x
  3. Step 3: Cross multiply
    318,432.13x = 477,763.01 × 160,541.66
  4. Step 4: Simplify right side
    318,432.13x = 76,700,867,705.73
  5. Step 5: Solve for x
    x = 76,700,867,705.73/318,432.13
  6. Step 6: Final answer
    x = 240,870.38

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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.