Home / 102,876.43-154,231.59-94,572.65

Finding the Fourth Proportional to 102,876.43, 154,231.59 and 94,572.65

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Solution

The fourth proportional to 102,876.43, 154,231.59 and 94,572.65 is: 141,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,876.43 : 154,231.59 = 94,572.65 : x
  2. Step 2: Convert to fraction form
    102,876.43/154,231.59 = 94,572.65/x
  3. Step 3: Cross multiply
    102,876.43x = 154,231.59 × 94,572.65
  4. Step 4: Simplify right side
    102,876.43x = 14,586,090,180.01
  5. Step 5: Solve for x
    x = 14,586,090,180.01/102,876.43
  6. Step 6: Final answer
    x = 141,782.63

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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.