Home / 157,860.80-236,803.60-52,679.76

Finding the Fourth Proportional to 157,860.80, 236,803.60 and 52,679.76

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Solution

The fourth proportional to 157,860.80, 236,803.60 and 52,679.76 is: 79,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,860.80 : 236,803.60 = 52,679.76 : x
  2. Step 2: Convert to fraction form
    157,860.80/236,803.60 = 52,679.76/x
  3. Step 3: Cross multiply
    157,860.80x = 236,803.60 × 52,679.76
  4. Step 4: Simplify right side
    157,860.80x = 12,474,756,815.14
  5. Step 5: Solve for x
    x = 12,474,756,815.14/157,860.80
  6. Step 6: Final answer
    x = 79,023.78

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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.