Home / 189,568.04-261,603.54-109,011.11

Finding the Fourth Proportional to 189,568.04, 261,603.54 and 109,011.11

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Solution

The fourth proportional to 189,568.04, 261,603.54 and 109,011.11 is: 150,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,568.04 : 261,603.54 = 109,011.11 : x
  2. Step 2: Convert to fraction form
    189,568.04/261,603.54 = 109,011.11/x
  3. Step 3: Cross multiply
    189,568.04x = 261,603.54 × 109,011.11
  4. Step 4: Simplify right side
    189,568.04x = 28,517,690,967.31
  5. Step 5: Solve for x
    x = 28,517,690,967.31/189,568.04
  6. Step 6: Final answer
    x = 150,435.12

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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.