Home / 212,159.09-318,193.81-62,358.64

Finding the Fourth Proportional to 212,159.09, 318,193.81 and 62,358.64

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Solution

The fourth proportional to 212,159.09, 318,193.81 and 62,358.64 is: 93,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,159.09 : 318,193.81 = 62,358.64 : x
  2. Step 2: Convert to fraction form
    212,159.09/318,193.81 = 62,358.64/x
  3. Step 3: Cross multiply
    212,159.09x = 318,193.81 × 62,358.64
  4. Step 4: Simplify right side
    212,159.09x = 19,842,133,248.02
  5. Step 5: Solve for x
    x = 19,842,133,248.02/212,159.09
  6. Step 6: Final answer
    x = 93,524.78

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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.