Home / 167,436.72-252,306.09-138,502.71

Finding the Fourth Proportional to 167,436.72, 252,306.09 and 138,502.71

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Solution

The fourth proportional to 167,436.72, 252,306.09 and 138,502.71 is: 208,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,436.72 : 252,306.09 = 138,502.71 : x
  2. Step 2: Convert to fraction form
    167,436.72/252,306.09 = 138,502.71/x
  3. Step 3: Cross multiply
    167,436.72x = 252,306.09 × 138,502.71
  4. Step 4: Simplify right side
    167,436.72x = 34,945,077,214.50
  5. Step 5: Solve for x
    x = 34,945,077,214.50/167,436.72
  6. Step 6: Final answer
    x = 208,706.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.