Home / 212,480.85-318,647.00-62,681.38

Finding the Fourth Proportional to 212,480.85, 318,647.00 and 62,681.38

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Solution

The fourth proportional to 212,480.85, 318,647.00 and 62,681.38 is: 94,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,480.85 : 318,647.00 = 62,681.38 : x
  2. Step 2: Convert to fraction form
    212,480.85/318,647.00 = 62,681.38/x
  3. Step 3: Cross multiply
    212,480.85x = 318,647.00 × 62,681.38
  4. Step 4: Simplify right side
    212,480.85x = 19,973,233,379.45
  5. Step 5: Solve for x
    x = 19,973,233,379.45/212,480.85
  6. Step 6: Final answer
    x = 94,000.16

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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.