Home / 144,611.20-216,698.10-122,303.80

Finding the Fourth Proportional to 144,611.20, 216,698.10 and 122,303.80

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Solution

The fourth proportional to 144,611.20, 216,698.10 and 122,303.80 is: 183,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,611.20 : 216,698.10 = 122,303.80 : x
  2. Step 2: Convert to fraction form
    144,611.20/216,698.10 = 122,303.80/x
  3. Step 3: Cross multiply
    144,611.20x = 216,698.10 × 122,303.80
  4. Step 4: Simplify right side
    144,611.20x = 26,503,001,082.78
  5. Step 5: Solve for x
    x = 26,503,001,082.78/144,611.20
  6. Step 6: Final answer
    x = 183,270.74

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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.