Home / 144,115.06-216,500.63-104,256.98

Finding the Fourth Proportional to 144,115.06, 216,500.63 and 104,256.98

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Solution

The fourth proportional to 144,115.06, 216,500.63 and 104,256.98 is: 156,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,115.06 : 216,500.63 = 104,256.98 : x
  2. Step 2: Convert to fraction form
    144,115.06/216,500.63 = 104,256.98/x
  3. Step 3: Cross multiply
    144,115.06x = 216,500.63 × 104,256.98
  4. Step 4: Simplify right side
    144,115.06x = 22,571,701,330.61
  5. Step 5: Solve for x
    x = 22,571,701,330.61/144,115.06
  6. Step 6: Final answer
    x = 156,622.79

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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.