Home / 189,815.06-261,933.54-104,927.06

Finding the Fourth Proportional to 189,815.06, 261,933.54 and 104,927.06

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Solution

The fourth proportional to 189,815.06, 261,933.54 and 104,927.06 is: 144,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,815.06 : 261,933.54 = 104,927.06 : x
  2. Step 2: Convert to fraction form
    189,815.06/261,933.54 = 104,927.06/x
  3. Step 3: Cross multiply
    189,815.06x = 261,933.54 × 104,927.06
  4. Step 4: Simplify right side
    189,815.06x = 27,483,916,267.59
  5. Step 5: Solve for x
    x = 27,483,916,267.59/189,815.06
  6. Step 6: Final answer
    x = 144,793.13

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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.