Home / 193,063.72-288,275.03-172,943.32

Finding the Fourth Proportional to 193,063.72, 288,275.03 and 172,943.32

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Solution

The fourth proportional to 193,063.72, 288,275.03 and 172,943.32 is: 258,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,063.72 : 288,275.03 = 172,943.32 : x
  2. Step 2: Convert to fraction form
    193,063.72/288,275.03 = 172,943.32/x
  3. Step 3: Cross multiply
    193,063.72x = 288,275.03 × 172,943.32
  4. Step 4: Simplify right side
    193,063.72x = 49,855,240,761.30
  5. Step 5: Solve for x
    x = 49,855,240,761.30/193,063.72
  6. Step 6: Final answer
    x = 258,232.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.