Home / 231,001.32-318,763.81-134,189.14

Finding the Fourth Proportional to 231,001.32, 318,763.81 and 134,189.14

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Solution

The fourth proportional to 231,001.32, 318,763.81 and 134,189.14 is: 185,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,001.32 : 318,763.81 = 134,189.14 : x
  2. Step 2: Convert to fraction form
    231,001.32/318,763.81 = 134,189.14/x
  3. Step 3: Cross multiply
    231,001.32x = 318,763.81 × 134,189.14
  4. Step 4: Simplify right side
    231,001.32x = 42,774,641,527.02
  5. Step 5: Solve for x
    x = 42,774,641,527.02/231,001.32
  6. Step 6: Final answer
    x = 185,170.55

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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.