Home / 189,568.14-261,603.84-104,685

Finding the Fourth Proportional to 189,568.14, 261,603.84 and 104,685

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Solution

The fourth proportional to 189,568.14, 261,603.84 and 104,685 is: 144,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,568.14 : 261,603.84 = 104,685 : x
  2. Step 2: Convert to fraction form
    189,568.14/261,603.84 = 104,685/x
  3. Step 3: Cross multiply
    189,568.14x = 261,603.84 × 104,685
  4. Step 4: Simplify right side
    189,568.14x = 27,385,997,990.40
  5. Step 5: Solve for x
    x = 27,385,997,990.40/189,568.14
  6. Step 6: Final answer
    x = 144,465.19

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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.