Home / 130,511.88-195,170.04-97,255.08

Finding the Fourth Proportional to 130,511.88, 195,170.04 and 97,255.08

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Solution

The fourth proportional to 130,511.88, 195,170.04 and 97,255.08 is: 145,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.88 : 195,170.04 = 97,255.08 : x
  2. Step 2: Convert to fraction form
    130,511.88/195,170.04 = 97,255.08/x
  3. Step 3: Cross multiply
    130,511.88x = 195,170.04 × 97,255.08
  4. Step 4: Simplify right side
    130,511.88x = 18,981,277,853.80
  5. Step 5: Solve for x
    x = 18,981,277,853.80/130,511.88
  6. Step 6: Final answer
    x = 145,437.17

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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.