Home / 345,010.64-517,621.85-176,649.17

Finding the Fourth Proportional to 345,010.64, 517,621.85 and 176,649.17

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Solution

The fourth proportional to 345,010.64, 517,621.85 and 176,649.17 is: 265,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,010.64 : 517,621.85 = 176,649.17 : x
  2. Step 2: Convert to fraction form
    345,010.64/517,621.85 = 176,649.17/x
  3. Step 3: Cross multiply
    345,010.64x = 517,621.85 × 176,649.17
  4. Step 4: Simplify right side
    345,010.64x = 91,437,466,705.01
  5. Step 5: Solve for x
    x = 91,437,466,705.01/345,010.64
  6. Step 6: Final answer
    x = 265,027.97

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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.