Home / 111,148.16-166,364.25-73,228.74

Finding the Fourth Proportional to 111,148.16, 166,364.25 and 73,228.74

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Solution

The fourth proportional to 111,148.16, 166,364.25 and 73,228.74 is: 109,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,148.16 : 166,364.25 = 73,228.74 : x
  2. Step 2: Convert to fraction form
    111,148.16/166,364.25 = 73,228.74/x
  3. Step 3: Cross multiply
    111,148.16x = 166,364.25 × 73,228.74
  4. Step 4: Simplify right side
    111,148.16x = 12,182,644,408.55
  5. Step 5: Solve for x
    x = 12,182,644,408.55/111,148.16
  6. Step 6: Final answer
    x = 109,607.25

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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.