Home / 122,404.40-183,606.60-39,306.80

Finding the Fourth Proportional to 122,404.40, 183,606.60 and 39,306.80

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Solution

The fourth proportional to 122,404.40, 183,606.60 and 39,306.80 is: 58,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,404.40 : 183,606.60 = 39,306.80 : x
  2. Step 2: Convert to fraction form
    122,404.40/183,606.60 = 39,306.80/x
  3. Step 3: Cross multiply
    122,404.40x = 183,606.60 × 39,306.80
  4. Step 4: Simplify right side
    122,404.40x = 7,216,987,904.88
  5. Step 5: Solve for x
    x = 7,216,987,904.88/122,404.40
  6. Step 6: Final answer
    x = 58,960.20

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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.