Home / 189,626.46-261,685.35-104,744.22

Finding the Fourth Proportional to 189,626.46, 261,685.35 and 104,744.22

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Solution

The fourth proportional to 189,626.46, 261,685.35 and 104,744.22 is: 144,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626.46 : 261,685.35 = 104,744.22 : x
  2. Step 2: Convert to fraction form
    189,626.46/261,685.35 = 104,744.22/x
  3. Step 3: Cross multiply
    189,626.46x = 261,685.35 × 104,744.22
  4. Step 4: Simplify right side
    189,626.46x = 27,410,027,871.18
  5. Step 5: Solve for x
    x = 27,410,027,871.18/189,626.46
  6. Step 6: Final answer
    x = 144,547.48

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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.