Home / 212,833.37-319,300.18-63,074.90

Finding the Fourth Proportional to 212,833.37, 319,300.18 and 63,074.90

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Solution

The fourth proportional to 212,833.37, 319,300.18 and 63,074.90 is: 94,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,833.37 : 319,300.18 = 63,074.90 : x
  2. Step 2: Convert to fraction form
    212,833.37/319,300.18 = 63,074.90/x
  3. Step 3: Cross multiply
    212,833.37x = 319,300.18 × 63,074.90
  4. Step 4: Simplify right side
    212,833.37x = 20,139,827,564.05
  5. Step 5: Solve for x
    x = 20,139,827,564.05/212,833.37
  6. Step 6: Final answer
    x = 94,627.21

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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.