Home / 238,772.74-329,530.52-136,811.72

Finding the Fourth Proportional to 238,772.74, 329,530.52 and 136,811.72

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Solution

The fourth proportional to 238,772.74, 329,530.52 and 136,811.72 is: 188,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,772.74 : 329,530.52 = 136,811.72 : x
  2. Step 2: Convert to fraction form
    238,772.74/329,530.52 = 136,811.72/x
  3. Step 3: Cross multiply
    238,772.74x = 329,530.52 × 136,811.72
  4. Step 4: Simplify right side
    238,772.74x = 45,083,637,233.69
  5. Step 5: Solve for x
    x = 45,083,637,233.69/238,772.74
  6. Step 6: Final answer
    x = 188,814.00

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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.