Home / 102,215.43-153,342.63-35,674.56

Finding the Fourth Proportional to 102,215.43, 153,342.63 and 35,674.56

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Solution

The fourth proportional to 102,215.43, 153,342.63 and 35,674.56 is: 53,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.43 : 153,342.63 = 35,674.56 : x
  2. Step 2: Convert to fraction form
    102,215.43/153,342.63 = 35,674.56/x
  3. Step 3: Cross multiply
    102,215.43x = 153,342.63 × 35,674.56
  4. Step 4: Simplify right side
    102,215.43x = 5,470,430,854.49
  5. Step 5: Solve for x
    x = 5,470,430,854.49/102,215.43
  6. Step 6: Final answer
    x = 53,518.64

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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.