Home / 113,118.12-169,607.43-38,231.19

Finding the Fourth Proportional to 113,118.12, 169,607.43 and 38,231.19

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Solution

The fourth proportional to 113,118.12, 169,607.43 and 38,231.19 is: 57,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,118.12 : 169,607.43 = 38,231.19 : x
  2. Step 2: Convert to fraction form
    113,118.12/169,607.43 = 38,231.19/x
  3. Step 3: Cross multiply
    113,118.12x = 169,607.43 × 38,231.19
  4. Step 4: Simplify right side
    113,118.12x = 6,484,293,881.74
  5. Step 5: Solve for x
    x = 6,484,293,881.74/113,118.12
  6. Step 6: Final answer
    x = 57,323.21

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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.