Home / 195,554.20-269,864.79-106,130.20

Finding the Fourth Proportional to 195,554.20, 269,864.79 and 106,130.20

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Solution

The fourth proportional to 195,554.20, 269,864.79 and 106,130.20 is: 146,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,554.20 : 269,864.79 = 106,130.20 : x
  2. Step 2: Convert to fraction form
    195,554.20/269,864.79 = 106,130.20/x
  3. Step 3: Cross multiply
    195,554.20x = 269,864.79 × 106,130.20
  4. Step 4: Simplify right side
    195,554.20x = 28,640,804,135.66
  5. Step 5: Solve for x
    x = 28,640,804,135.66/195,554.20
  6. Step 6: Final answer
    x = 146,459.67

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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.