Home / 124,556.40-186,834.60-80,233.20

Finding the Fourth Proportional to 124,556.40, 186,834.60 and 80,233.20

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Solution

The fourth proportional to 124,556.40, 186,834.60 and 80,233.20 is: 120,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556.40 : 186,834.60 = 80,233.20 : x
  2. Step 2: Convert to fraction form
    124,556.40/186,834.60 = 80,233.20/x
  3. Step 3: Cross multiply
    124,556.40x = 186,834.60 × 80,233.20
  4. Step 4: Simplify right side
    124,556.40x = 14,990,337,828.72
  5. Step 5: Solve for x
    x = 14,990,337,828.72/124,556.40
  6. Step 6: Final answer
    x = 120,349.80

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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.