Home / 342,327.12-513,612.34-152,770.24

Finding the Fourth Proportional to 342,327.12, 513,612.34 and 152,770.24

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Solution

The fourth proportional to 342,327.12, 513,612.34 and 152,770.24 is: 229,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,327.12 : 513,612.34 = 152,770.24 : x
  2. Step 2: Convert to fraction form
    342,327.12/513,612.34 = 152,770.24/x
  3. Step 3: Cross multiply
    342,327.12x = 513,612.34 × 152,770.24
  4. Step 4: Simplify right side
    342,327.12x = 78,464,680,448.76
  5. Step 5: Solve for x
    x = 78,464,680,448.76/342,327.12
  6. Step 6: Final answer
    x = 229,209.65

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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.