Home / 212,823.48-319,235.20-63,065.90

Finding the Fourth Proportional to 212,823.48, 319,235.20 and 63,065.90

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Solution

The fourth proportional to 212,823.48, 319,235.20 and 63,065.90 is: 94,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,823.48 : 319,235.20 = 63,065.90 : x
  2. Step 2: Convert to fraction form
    212,823.48/319,235.20 = 63,065.90/x
  3. Step 3: Cross multiply
    212,823.48x = 319,235.20 × 63,065.90
  4. Step 4: Simplify right side
    212,823.48x = 20,132,855,199.68
  5. Step 5: Solve for x
    x = 20,132,855,199.68/212,823.48
  6. Step 6: Final answer
    x = 94,598.84

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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.