Home / 115,468.16-173,226.53-43,421.49

Finding the Fourth Proportional to 115,468.16, 173,226.53 and 43,421.49

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Solution

The fourth proportional to 115,468.16, 173,226.53 and 43,421.49 is: 65,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,468.16 : 173,226.53 = 43,421.49 : x
  2. Step 2: Convert to fraction form
    115,468.16/173,226.53 = 43,421.49/x
  3. Step 3: Cross multiply
    115,468.16x = 173,226.53 × 43,421.49
  4. Step 4: Simplify right side
    115,468.16x = 7,521,754,148.68
  5. Step 5: Solve for x
    x = 7,521,754,148.68/115,468.16
  6. Step 6: Final answer
    x = 65,141.37

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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.