Home / 243,169.12-335,572.08-141,219.64

Finding the Fourth Proportional to 243,169.12, 335,572.08 and 141,219.64

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Solution

The fourth proportional to 243,169.12, 335,572.08 and 141,219.64 is: 194,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,169.12 : 335,572.08 = 141,219.64 : x
  2. Step 2: Convert to fraction form
    243,169.12/335,572.08 = 141,219.64/x
  3. Step 3: Cross multiply
    243,169.12x = 335,572.08 × 141,219.64
  4. Step 4: Simplify right side
    243,169.12x = 47,389,366,653.79
  5. Step 5: Solve for x
    x = 47,389,366,653.79/243,169.12
  6. Step 6: Final answer
    x = 194,882.34

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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.