Home / 250,981.20-346,356.63-136,260.90

Finding the Fourth Proportional to 250,981.20, 346,356.63 and 136,260.90

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Solution

The fourth proportional to 250,981.20, 346,356.63 and 136,260.90 is: 188,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,981.20 : 346,356.63 = 136,260.90 : x
  2. Step 2: Convert to fraction form
    250,981.20/346,356.63 = 136,260.90/x
  3. Step 3: Cross multiply
    250,981.20x = 346,356.63 × 136,260.90
  4. Step 4: Simplify right side
    250,981.20x = 47,194,866,124.77
  5. Step 5: Solve for x
    x = 47,194,866,124.77/250,981.20
  6. Step 6: Final answer
    x = 188,041.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.