Home / 195,459.36-269,714.12-109,412.76

Finding the Fourth Proportional to 195,459.36, 269,714.12 and 109,412.76

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Solution

The fourth proportional to 195,459.36, 269,714.12 and 109,412.76 is: 150,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,459.36 : 269,714.12 = 109,412.76 : x
  2. Step 2: Convert to fraction form
    195,459.36/269,714.12 = 109,412.76/x
  3. Step 3: Cross multiply
    195,459.36x = 269,714.12 × 109,412.76
  4. Step 4: Simplify right side
    195,459.36x = 29,510,166,280.17
  5. Step 5: Solve for x
    x = 29,510,166,280.17/195,459.36
  6. Step 6: Final answer
    x = 150,978.53

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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.