Home / 182,156.16-251,363.64-100,479.50

Finding the Fourth Proportional to 182,156.16, 251,363.64 and 100,479.50

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Solution

The fourth proportional to 182,156.16, 251,363.64 and 100,479.50 is: 138,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,156.16 : 251,363.64 = 100,479.50 : x
  2. Step 2: Convert to fraction form
    182,156.16/251,363.64 = 100,479.50/x
  3. Step 3: Cross multiply
    182,156.16x = 251,363.64 × 100,479.50
  4. Step 4: Simplify right side
    182,156.16x = 25,256,892,865.38
  5. Step 5: Solve for x
    x = 25,256,892,865.38/182,156.16
  6. Step 6: Final answer
    x = 138,655.17

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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.