Home / 115,441.15-173,161.73-103,631.35

Finding the Fourth Proportional to 115,441.15, 173,161.73 and 103,631.35

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Solution

The fourth proportional to 115,441.15, 173,161.73 and 103,631.35 is: 155,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441.15 : 173,161.73 = 103,631.35 : x
  2. Step 2: Convert to fraction form
    115,441.15/173,161.73 = 103,631.35/x
  3. Step 3: Cross multiply
    115,441.15x = 173,161.73 × 103,631.35
  4. Step 4: Simplify right side
    115,441.15x = 17,944,983,848.24
  5. Step 5: Solve for x
    x = 17,944,983,848.24/115,441.15
  6. Step 6: Final answer
    x = 155,447.03

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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.