Home / 115,435.15-173,152.73-103,625.35

Finding the Fourth Proportional to 115,435.15, 173,152.73 and 103,625.35

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Solution

The fourth proportional to 115,435.15, 173,152.73 and 103,625.35 is: 155,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435.15 : 173,152.73 = 103,625.35 : x
  2. Step 2: Convert to fraction form
    115,435.15/173,152.73 = 103,625.35/x
  3. Step 3: Cross multiply
    115,435.15x = 173,152.73 × 103,625.35
  4. Step 4: Simplify right side
    115,435.15x = 17,943,012,249.71
  5. Step 5: Solve for x
    x = 17,943,012,249.71/115,435.15
  6. Step 6: Final answer
    x = 155,438.03

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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.