Home / 167,374.38-252,212.93-138,443.34

Finding the Fourth Proportional to 167,374.38, 252,212.93 and 138,443.34

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Solution

The fourth proportional to 167,374.38, 252,212.93 and 138,443.34 is: 208,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,374.38 : 252,212.93 = 138,443.34 : x
  2. Step 2: Convert to fraction form
    167,374.38/252,212.93 = 138,443.34/x
  3. Step 3: Cross multiply
    167,374.38x = 252,212.93 × 138,443.34
  4. Step 4: Simplify right side
    167,374.38x = 34,917,199,728.17
  5. Step 5: Solve for x
    x = 34,917,199,728.17/167,374.38
  6. Step 6: Final answer
    x = 208,617.35

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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.