Home / 130,363.40-195,545.10-121,550.60

Finding the Fourth Proportional to 130,363.40, 195,545.10 and 121,550.60

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Solution

The fourth proportional to 130,363.40, 195,545.10 and 121,550.60 is: 182,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.40 : 195,545.10 = 121,550.60 : x
  2. Step 2: Convert to fraction form
    130,363.40/195,545.10 = 121,550.60/x
  3. Step 3: Cross multiply
    130,363.40x = 195,545.10 × 121,550.60
  4. Step 4: Simplify right side
    130,363.40x = 23,768,624,232.06
  5. Step 5: Solve for x
    x = 23,768,624,232.06/130,363.40
  6. Step 6: Final answer
    x = 182,325.90

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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.