Home / 130,127.40-195,482.70-124,813.80

Finding the Fourth Proportional to 130,127.40, 195,482.70 and 124,813.80

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Solution

The fourth proportional to 130,127.40, 195,482.70 and 124,813.80 is: 187,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,127.40 : 195,482.70 = 124,813.80 : x
  2. Step 2: Convert to fraction form
    130,127.40/195,482.70 = 124,813.80/x
  3. Step 3: Cross multiply
    130,127.40x = 195,482.70 × 124,813.80
  4. Step 4: Simplify right side
    130,127.40x = 24,398,938,621.26
  5. Step 5: Solve for x
    x = 24,398,938,621.26/130,127.40
  6. Step 6: Final answer
    x = 187,500.39

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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.