Home / 189,358.24-261,329.04-104,482.72

Finding the Fourth Proportional to 189,358.24, 261,329.04 and 104,482.72

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Solution

The fourth proportional to 189,358.24, 261,329.04 and 104,482.72 is: 144,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,358.24 : 261,329.04 = 104,482.72 : x
  2. Step 2: Convert to fraction form
    189,358.24/261,329.04 = 104,482.72/x
  3. Step 3: Cross multiply
    189,358.24x = 261,329.04 × 104,482.72
  4. Step 4: Simplify right side
    189,358.24x = 27,304,368,914.19
  5. Step 5: Solve for x
    x = 27,304,368,914.19/189,358.24
  6. Step 6: Final answer
    x = 144,194.25

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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.