Home / 130,136.40-195,496.20-124,822.80

Finding the Fourth Proportional to 130,136.40, 195,496.20 and 124,822.80

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Solution

The fourth proportional to 130,136.40, 195,496.20 and 124,822.80 is: 187,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,136.40 : 195,496.20 = 124,822.80 : x
  2. Step 2: Convert to fraction form
    130,136.40/195,496.20 = 124,822.80/x
  3. Step 3: Cross multiply
    130,136.40x = 195,496.20 × 124,822.80
  4. Step 4: Simplify right side
    130,136.40x = 24,402,383,073.36
  5. Step 5: Solve for x
    x = 24,402,383,073.36/130,136.40
  6. Step 6: Final answer
    x = 187,513.89

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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.