Home / 310,961.08-466,440.03-121,440.69

Finding the Fourth Proportional to 310,961.08, 466,440.03 and 121,440.69

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Solution

The fourth proportional to 310,961.08, 466,440.03 and 121,440.69 is: 182,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,961.08 : 466,440.03 = 121,440.69 : x
  2. Step 2: Convert to fraction form
    310,961.08/466,440.03 = 121,440.69/x
  3. Step 3: Cross multiply
    310,961.08x = 466,440.03 × 121,440.69
  4. Step 4: Simplify right side
    310,961.08x = 56,644,799,086.82
  5. Step 5: Solve for x
    x = 56,644,799,086.82/310,961.08
  6. Step 6: Final answer
    x = 182,160.41

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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.