Home / 212,766.06-319,148.10-63,007.20

Finding the Fourth Proportional to 212,766.06, 319,148.10 and 63,007.20

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Solution

The fourth proportional to 212,766.06, 319,148.10 and 63,007.20 is: 94,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,766.06 : 319,148.10 = 63,007.20 : x
  2. Step 2: Convert to fraction form
    212,766.06/319,148.10 = 63,007.20/x
  3. Step 3: Cross multiply
    212,766.06x = 319,148.10 × 63,007.20
  4. Step 4: Simplify right side
    212,766.06x = 20,108,628,166.32
  5. Step 5: Solve for x
    x = 20,108,628,166.32/212,766.06
  6. Step 6: Final answer
    x = 94,510.51

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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.