Home / 238,817.85-329,570.81-129,924.60

Finding the Fourth Proportional to 238,817.85, 329,570.81 and 129,924.60

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Solution

The fourth proportional to 238,817.85, 329,570.81 and 129,924.60 is: 179,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,817.85 : 329,570.81 = 129,924.60 : x
  2. Step 2: Convert to fraction form
    238,817.85/329,570.81 = 129,924.60/x
  3. Step 3: Cross multiply
    238,817.85x = 329,570.81 × 129,924.60
  4. Step 4: Simplify right side
    238,817.85x = 42,819,355,660.93
  5. Step 5: Solve for x
    x = 42,819,355,660.93/238,817.85
  6. Step 6: Final answer
    x = 179,297.13

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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.