Home / 347,458.03-521,122.84-107,527.20

Finding the Fourth Proportional to 347,458.03, 521,122.84 and 107,527.20

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Solution

The fourth proportional to 347,458.03, 521,122.84 and 107,527.20 is: 161,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,458.03 : 521,122.84 = 107,527.20 : x
  2. Step 2: Convert to fraction form
    347,458.03/521,122.84 = 107,527.20/x
  3. Step 3: Cross multiply
    347,458.03x = 521,122.84 × 107,527.20
  4. Step 4: Simplify right side
    347,458.03x = 56,034,877,920.64
  5. Step 5: Solve for x
    x = 56,034,877,920.64/347,458.03
  6. Step 6: Final answer
    x = 161,270.92

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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.