Home / 347,631.70-521,505.15-148,047.70

Finding the Fourth Proportional to 347,631.70, 521,505.15 and 148,047.70

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Solution

The fourth proportional to 347,631.70, 521,505.15 and 148,047.70 is: 222,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631.70 : 521,505.15 = 148,047.70 : x
  2. Step 2: Convert to fraction form
    347,631.70/521,505.15 = 148,047.70/x
  3. Step 3: Cross multiply
    347,631.70x = 521,505.15 × 148,047.70
  4. Step 4: Simplify right side
    347,631.70x = 77,207,637,995.66
  5. Step 5: Solve for x
    x = 77,207,637,995.66/347,631.70
  6. Step 6: Final answer
    x = 222,096.08

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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.