Home / 195,119.56-269,264.10-105,695.56

Finding the Fourth Proportional to 195,119.56, 269,264.10 and 105,695.56

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Solution

The fourth proportional to 195,119.56, 269,264.10 and 105,695.56 is: 145,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,119.56 : 269,264.10 = 105,695.56 : x
  2. Step 2: Convert to fraction form
    195,119.56/269,264.10 = 105,695.56/x
  3. Step 3: Cross multiply
    195,119.56x = 269,264.10 × 105,695.56
  4. Step 4: Simplify right side
    195,119.56x = 28,460,019,837.40
  5. Step 5: Solve for x
    x = 28,460,019,837.40/195,119.56
  6. Step 6: Final answer
    x = 145,859.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.