Home / 167,315.85-230,899.88-90,838.17

Finding the Fourth Proportional to 167,315.85, 230,899.88 and 90,838.17

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Solution

The fourth proportional to 167,315.85, 230,899.88 and 90,838.17 is: 125,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,315.85 : 230,899.88 = 90,838.17 : x
  2. Step 2: Convert to fraction form
    167,315.85/230,899.88 = 90,838.17/x
  3. Step 3: Cross multiply
    167,315.85x = 230,899.88 × 90,838.17
  4. Step 4: Simplify right side
    167,315.85x = 20,974,521,913.64
  5. Step 5: Solve for x
    x = 20,974,521,913.64/167,315.85
  6. Step 6: Final answer
    x = 125,358.85

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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.