Home / 115,437.15-173,155.73-103,627.35

Finding the Fourth Proportional to 115,437.15, 173,155.73 and 103,627.35

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Solution

The fourth proportional to 115,437.15, 173,155.73 and 103,627.35 is: 155,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,437.15 : 173,155.73 = 103,627.35 : x
  2. Step 2: Convert to fraction form
    115,437.15/173,155.73 = 103,627.35/x
  3. Step 3: Cross multiply
    115,437.15x = 173,155.73 × 103,627.35
  4. Step 4: Simplify right side
    115,437.15x = 17,943,669,437.22
  5. Step 5: Solve for x
    x = 17,943,669,437.22/115,437.15
  6. Step 6: Final answer
    x = 155,441.03

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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.