Home / 347,870.03-521,818.40-123,231.11

Finding the Fourth Proportional to 347,870.03, 521,818.40 and 123,231.11

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Solution

The fourth proportional to 347,870.03, 521,818.40 and 123,231.11 is: 184,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,870.03 : 521,818.40 = 123,231.11 : x
  2. Step 2: Convert to fraction form
    347,870.03/521,818.40 = 123,231.11/x
  3. Step 3: Cross multiply
    347,870.03x = 521,818.40 × 123,231.11
  4. Step 4: Simplify right side
    347,870.03x = 64,304,258,349.41
  5. Step 5: Solve for x
    x = 64,304,258,349.41/347,870.03
  6. Step 6: Final answer
    x = 184,851.39

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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.