Home / 195,233.12-269,423.28-105,809.12

Finding the Fourth Proportional to 195,233.12, 269,423.28 and 105,809.12

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Solution

The fourth proportional to 195,233.12, 269,423.28 and 105,809.12 is: 146,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,233.12 : 269,423.28 = 105,809.12 : x
  2. Step 2: Convert to fraction form
    195,233.12/269,423.28 = 105,809.12/x
  3. Step 3: Cross multiply
    195,233.12x = 269,423.28 × 105,809.12
  4. Step 4: Simplify right side
    195,233.12x = 28,507,440,164.31
  5. Step 5: Solve for x
    x = 28,507,440,164.31/195,233.12
  6. Step 6: Final answer
    x = 146,017.44

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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.