Home / 243,197.16-335,516.76-141,205.20

Finding the Fourth Proportional to 243,197.16, 335,516.76 and 141,205.20

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Solution

The fourth proportional to 243,197.16, 335,516.76 and 141,205.20 is: 194,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,197.16 : 335,516.76 = 141,205.20 : x
  2. Step 2: Convert to fraction form
    243,197.16/335,516.76 = 141,205.20/x
  3. Step 3: Cross multiply
    243,197.16x = 335,516.76 × 141,205.20
  4. Step 4: Simplify right side
    243,197.16x = 47,376,711,199.15
  5. Step 5: Solve for x
    x = 47,376,711,199.15/243,197.16
  6. Step 6: Final answer
    x = 194,807.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.