Home / 113,261.18-169,785.66-38,328.86

Finding the Fourth Proportional to 113,261.18, 169,785.66 and 38,328.86

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Solution

The fourth proportional to 113,261.18, 169,785.66 and 38,328.86 is: 57,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,261.18 : 169,785.66 = 38,328.86 : x
  2. Step 2: Convert to fraction form
    113,261.18/169,785.66 = 38,328.86/x
  3. Step 3: Cross multiply
    113,261.18x = 169,785.66 × 38,328.86
  4. Step 4: Simplify right side
    113,261.18x = 6,507,691,252.55
  5. Step 5: Solve for x
    x = 6,507,691,252.55/113,261.18
  6. Step 6: Final answer
    x = 57,457.39

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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.