Home / 169,358.82-233,522.49-138,634.20

Finding the Fourth Proportional to 169,358.82, 233,522.49 and 138,634.20

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Solution

The fourth proportional to 169,358.82, 233,522.49 and 138,634.20 is: 191,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,358.82 : 233,522.49 = 138,634.20 : x
  2. Step 2: Convert to fraction form
    169,358.82/233,522.49 = 138,634.20/x
  3. Step 3: Cross multiply
    169,358.82x = 233,522.49 × 138,634.20
  4. Step 4: Simplify right side
    169,358.82x = 32,374,203,583.16
  5. Step 5: Solve for x
    x = 32,374,203,583.16/169,358.82
  6. Step 6: Final answer
    x = 191,157.47

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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.