Home / 250,981.65-346,355.24-136,260.45

Finding the Fourth Proportional to 250,981.65, 346,355.24 and 136,260.45

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Solution

The fourth proportional to 250,981.65, 346,355.24 and 136,260.45 is: 188,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,981.65 : 346,355.24 = 136,260.45 : x
  2. Step 2: Convert to fraction form
    250,981.65/346,355.24 = 136,260.45/x
  3. Step 3: Cross multiply
    250,981.65x = 346,355.24 × 136,260.45
  4. Step 4: Simplify right side
    250,981.65x = 47,194,520,180.96
  5. Step 5: Solve for x
    x = 47,194,520,180.96/250,981.65
  6. Step 6: Final answer
    x = 188,039.72

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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.