Home / 276,536.64-381,649.14-169,178.04

Finding the Fourth Proportional to 276,536.64, 381,649.14 and 169,178.04

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Solution

The fourth proportional to 276,536.64, 381,649.14 and 169,178.04 is: 233,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,536.64 : 381,649.14 = 169,178.04 : x
  2. Step 2: Convert to fraction form
    276,536.64/381,649.14 = 169,178.04/x
  3. Step 3: Cross multiply
    276,536.64x = 381,649.14 × 169,178.04
  4. Step 4: Simplify right side
    276,536.64x = 64,566,653,472.89
  5. Step 5: Solve for x
    x = 64,566,653,472.89/276,536.64
  6. Step 6: Final answer
    x = 233,483.18

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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.