Home / 347,901.16-521,856.66-98,583.16

Finding the Fourth Proportional to 347,901.16, 521,856.66 and 98,583.16

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Solution

The fourth proportional to 347,901.16, 521,856.66 and 98,583.16 is: 147,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,901.16 : 521,856.66 = 98,583.16 : x
  2. Step 2: Convert to fraction form
    347,901.16/521,856.66 = 98,583.16/x
  3. Step 3: Cross multiply
    347,901.16x = 521,856.66 × 98,583.16
  4. Step 4: Simplify right side
    347,901.16x = 51,446,278,609.85
  5. Step 5: Solve for x
    x = 51,446,278,609.85/347,901.16
  6. Step 6: Final answer
    x = 147,876.13

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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.