Home / 189,416.96-261,388.56-104,532.20

Finding the Fourth Proportional to 189,416.96, 261,388.56 and 104,532.20

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Solution

The fourth proportional to 189,416.96, 261,388.56 and 104,532.20 is: 144,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,416.96 : 261,388.56 = 104,532.20 : x
  2. Step 2: Convert to fraction form
    189,416.96/261,388.56 = 104,532.20/x
  3. Step 3: Cross multiply
    189,416.96x = 261,388.56 × 104,532.20
  4. Step 4: Simplify right side
    189,416.96x = 27,323,521,231.63
  5. Step 5: Solve for x
    x = 27,323,521,231.63/189,416.96
  6. Step 6: Final answer
    x = 144,250.66

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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.