Home / 110,931.39-153,083.12-63,183.51

Finding the Fourth Proportional to 110,931.39, 153,083.12 and 63,183.51

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Solution

The fourth proportional to 110,931.39, 153,083.12 and 63,183.51 is: 87,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,931.39 : 153,083.12 = 63,183.51 : x
  2. Step 2: Convert to fraction form
    110,931.39/153,083.12 = 63,183.51/x
  3. Step 3: Cross multiply
    110,931.39x = 153,083.12 × 63,183.51
  4. Step 4: Simplify right side
    110,931.39x = 9,672,328,527.43
  5. Step 5: Solve for x
    x = 9,672,328,527.43/110,931.39
  6. Step 6: Final answer
    x = 87,191.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.