Home / 170,972.18-235,952.78-113,521.55

Finding the Fourth Proportional to 170,972.18, 235,952.78 and 113,521.55

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Solution

The fourth proportional to 170,972.18, 235,952.78 and 113,521.55 is: 156,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,972.18 : 235,952.78 = 113,521.55 : x
  2. Step 2: Convert to fraction form
    170,972.18/235,952.78 = 113,521.55/x
  3. Step 3: Cross multiply
    170,972.18x = 235,952.78 × 113,521.55
  4. Step 4: Simplify right side
    170,972.18x = 26,785,723,565.04
  5. Step 5: Solve for x
    x = 26,785,723,565.04/170,972.18
  6. Step 6: Final answer
    x = 156,667.15

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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.