Home / 238,868.75-329,628.98-129,973.54

Finding the Fourth Proportional to 238,868.75, 329,628.98 and 129,973.54

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Solution

The fourth proportional to 238,868.75, 329,628.98 and 129,973.54 is: 179,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,868.75 : 329,628.98 = 129,973.54 : x
  2. Step 2: Convert to fraction form
    238,868.75/329,628.98 = 129,973.54/x
  3. Step 3: Cross multiply
    238,868.75x = 329,628.98 × 129,973.54
  4. Step 4: Simplify right side
    238,868.75x = 42,843,045,005.15
  5. Step 5: Solve for x
    x = 42,843,045,005.15/238,868.75
  6. Step 6: Final answer
    x = 179,358.10

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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.