Home / 154,105.24-231,193.32-65,362.18

Finding the Fourth Proportional to 154,105.24, 231,193.32 and 65,362.18

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Solution

The fourth proportional to 154,105.24, 231,193.32 and 65,362.18 is: 98,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,105.24 : 231,193.32 = 65,362.18 : x
  2. Step 2: Convert to fraction form
    154,105.24/231,193.32 = 65,362.18/x
  3. Step 3: Cross multiply
    154,105.24x = 231,193.32 × 65,362.18
  4. Step 4: Simplify right side
    154,105.24x = 15,111,299,396.64
  5. Step 5: Solve for x
    x = 15,111,299,396.64/154,105.24
  6. Step 6: Final answer
    x = 98,058.31

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1.5x scale

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.