Home / 212,434.96-318,542.66-62,656.18

Finding the Fourth Proportional to 212,434.96, 318,542.66 and 62,656.18

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Solution

The fourth proportional to 212,434.96, 318,542.66 and 62,656.18 is: 93,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,434.96 : 318,542.66 = 62,656.18 : x
  2. Step 2: Convert to fraction form
    212,434.96/318,542.66 = 62,656.18/x
  3. Step 3: Cross multiply
    212,434.96x = 318,542.66 × 62,656.18
  4. Step 4: Simplify right side
    212,434.96x = 19,958,666,242.64
  5. Step 5: Solve for x
    x = 19,958,666,242.64/212,434.96
  6. Step 6: Final answer
    x = 93,951.89

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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.