Home / 189,722.08-261,816.56-104,839.14

Finding the Fourth Proportional to 189,722.08, 261,816.56 and 104,839.14

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Solution

The fourth proportional to 189,722.08, 261,816.56 and 104,839.14 is: 144,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,722.08 : 261,816.56 = 104,839.14 : x
  2. Step 2: Convert to fraction form
    189,722.08/261,816.56 = 104,839.14/x
  3. Step 3: Cross multiply
    189,722.08x = 261,816.56 × 104,839.14
  4. Step 4: Simplify right side
    189,722.08x = 27,448,622,988.16
  5. Step 5: Solve for x
    x = 27,448,622,988.16/189,722.08
  6. Step 6: Final answer
    x = 144,678.06

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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.