Home / 347,336.07-520,988.45-144,848.79

Finding the Fourth Proportional to 347,336.07, 520,988.45 and 144,848.79

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Solution

The fourth proportional to 347,336.07, 520,988.45 and 144,848.79 is: 217,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,336.07 : 520,988.45 = 144,848.79 : x
  2. Step 2: Convert to fraction form
    347,336.07/520,988.45 = 144,848.79/x
  3. Step 3: Cross multiply
    347,336.07x = 520,988.45 × 144,848.79
  4. Step 4: Simplify right side
    347,336.07x = 75,464,546,586.48
  5. Step 5: Solve for x
    x = 75,464,546,586.48/347,336.07
  6. Step 6: Final answer
    x = 217,266.66

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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.