Home / 195,902.36-293,853.59-129,326.91

Finding the Fourth Proportional to 195,902.36, 293,853.59 and 129,326.91

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Solution

The fourth proportional to 195,902.36, 293,853.59 and 129,326.91 is: 193,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,902.36 : 293,853.59 = 129,326.91 : x
  2. Step 2: Convert to fraction form
    195,902.36/293,853.59 = 129,326.91/x
  3. Step 3: Cross multiply
    195,902.36x = 293,853.59 × 129,326.91
  4. Step 4: Simplify right side
    195,902.36x = 38,003,176,787.11
  5. Step 5: Solve for x
    x = 38,003,176,787.11/195,902.36
  6. Step 6: Final answer
    x = 193,990.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.