Home / 212,786.19-319,225.96-63,038.18

Finding the Fourth Proportional to 212,786.19, 319,225.96 and 63,038.18

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Solution

The fourth proportional to 212,786.19, 319,225.96 and 63,038.18 is: 94,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,786.19 : 319,225.96 = 63,038.18 : x
  2. Step 2: Convert to fraction form
    212,786.19/319,225.96 = 63,038.18/x
  3. Step 3: Cross multiply
    212,786.19x = 319,225.96 × 63,038.18
  4. Step 4: Simplify right side
    212,786.19x = 20,123,424,404.02
  5. Step 5: Solve for x
    x = 20,123,424,404.02/212,786.19
  6. Step 6: Final answer
    x = 94,571.10

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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.