Home / 189,824.16-261,970.56-104,949.12

Finding the Fourth Proportional to 189,824.16, 261,970.56 and 104,949.12

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Solution

The fourth proportional to 189,824.16, 261,970.56 and 104,949.12 is: 144,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.16 : 261,970.56 = 104,949.12 : x
  2. Step 2: Convert to fraction form
    189,824.16/261,970.56 = 104,949.12/x
  3. Step 3: Cross multiply
    189,824.16x = 261,970.56 × 104,949.12
  4. Step 4: Simplify right side
    189,824.16x = 27,493,579,737.91
  5. Step 5: Solve for x
    x = 27,493,579,737.91/189,824.16
  6. Step 6: Final answer
    x = 144,837.09

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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.