Home / 157,981.96-236,947.24-52,800.76

Finding the Fourth Proportional to 157,981.96, 236,947.24 and 52,800.76

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Solution

The fourth proportional to 157,981.96, 236,947.24 and 52,800.76 is: 79,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,981.96 : 236,947.24 = 52,800.76 : x
  2. Step 2: Convert to fraction form
    157,981.96/236,947.24 = 52,800.76/x
  3. Step 3: Cross multiply
    157,981.96x = 236,947.24 × 52,800.76
  4. Step 4: Simplify right side
    157,981.96x = 12,510,994,351.90
  5. Step 5: Solve for x
    x = 12,510,994,351.90/157,981.96
  6. Step 6: Final answer
    x = 79,192.55

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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.