Home / 319,650.67-441,105.03-176,408.85

Finding the Fourth Proportional to 319,650.67, 441,105.03 and 176,408.85

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Solution

The fourth proportional to 319,650.67, 441,105.03 and 176,408.85 is: 243,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,650.67 : 441,105.03 = 176,408.85 : x
  2. Step 2: Convert to fraction form
    319,650.67/441,105.03 = 176,408.85/x
  3. Step 3: Cross multiply
    319,650.67x = 441,105.03 × 176,408.85
  4. Step 4: Simplify right side
    319,650.67x = 77,814,831,071.52
  5. Step 5: Solve for x
    x = 77,814,831,071.52/319,650.67
  6. Step 6: Final answer
    x = 243,437.10

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1.5x scale

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.