Home / 156,251.04-234,405.72-51,075.78

Finding the Fourth Proportional to 156,251.04, 234,405.72 and 51,075.78

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Solution

The fourth proportional to 156,251.04, 234,405.72 and 51,075.78 is: 76,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,251.04 : 234,405.72 = 51,075.78 : x
  2. Step 2: Convert to fraction form
    156,251.04/234,405.72 = 51,075.78/x
  3. Step 3: Cross multiply
    156,251.04x = 234,405.72 × 51,075.78
  4. Step 4: Simplify right side
    156,251.04x = 11,972,454,985.46
  5. Step 5: Solve for x
    x = 11,972,454,985.46/156,251.04
  6. Step 6: Final answer
    x = 76,623.20

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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.