Home / 212,752.88-319,176.63-92,829.27

Finding the Fourth Proportional to 212,752.88, 319,176.63 and 92,829.27

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Solution

The fourth proportional to 212,752.88, 319,176.63 and 92,829.27 is: 139,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,752.88 : 319,176.63 = 92,829.27 : x
  2. Step 2: Convert to fraction form
    212,752.88/319,176.63 = 92,829.27/x
  3. Step 3: Cross multiply
    212,752.88x = 319,176.63 × 92,829.27
  4. Step 4: Simplify right side
    212,752.88x = 29,628,931,806.74
  5. Step 5: Solve for x
    x = 29,628,931,806.74/212,752.88
  6. Step 6: Final answer
    x = 139,264.54

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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.