Home / 115,173.32-172,535.81-65,101.95

Finding the Fourth Proportional to 115,173.32, 172,535.81 and 65,101.95

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Solution

The fourth proportional to 115,173.32, 172,535.81 and 65,101.95 is: 97,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,173.32 : 172,535.81 = 65,101.95 : x
  2. Step 2: Convert to fraction form
    115,173.32/172,535.81 = 65,101.95/x
  3. Step 3: Cross multiply
    115,173.32x = 172,535.81 × 65,101.95
  4. Step 4: Simplify right side
    115,173.32x = 11,232,417,350.32
  5. Step 5: Solve for x
    x = 11,232,417,350.32/115,173.32
  6. Step 6: Final answer
    x = 97,526.21

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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.