Home / 206,919.35-310,158.33-117,981.35

Finding the Fourth Proportional to 206,919.35, 310,158.33 and 117,981.35

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Solution

The fourth proportional to 206,919.35, 310,158.33 and 117,981.35 is: 176,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,919.35 : 310,158.33 = 117,981.35 : x
  2. Step 2: Convert to fraction form
    206,919.35/310,158.33 = 117,981.35/x
  3. Step 3: Cross multiply
    206,919.35x = 310,158.33 × 117,981.35
  4. Step 4: Simplify right side
    206,919.35x = 36,592,896,936.35
  5. Step 5: Solve for x
    x = 36,592,896,936.35/206,919.35
  6. Step 6: Final answer
    x = 176,846.19

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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.