Home / 238,925.44-329,679.30-136,931.25

Finding the Fourth Proportional to 238,925.44, 329,679.30 and 136,931.25

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Solution

The fourth proportional to 238,925.44, 329,679.30 and 136,931.25 is: 188,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,925.44 : 329,679.30 = 136,931.25 : x
  2. Step 2: Convert to fraction form
    238,925.44/329,679.30 = 136,931.25/x
  3. Step 3: Cross multiply
    238,925.44x = 329,679.30 × 136,931.25
  4. Step 4: Simplify right side
    238,925.44x = 45,143,398,648.13
  5. Step 5: Solve for x
    x = 45,143,398,648.13/238,925.44
  6. Step 6: Final answer
    x = 188,943.46

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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.