Home / 189,433.98-261,417.60-104,551.04

Finding the Fourth Proportional to 189,433.98, 261,417.60 and 104,551.04

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Solution

The fourth proportional to 189,433.98, 261,417.60 and 104,551.04 is: 144,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,433.98 : 261,417.60 = 104,551.04 : x
  2. Step 2: Convert to fraction form
    189,433.98/261,417.60 = 104,551.04/x
  3. Step 3: Cross multiply
    189,433.98x = 261,417.60 × 104,551.04
  4. Step 4: Simplify right side
    189,433.98x = 27,331,480,647.22
  5. Step 5: Solve for x
    x = 27,331,480,647.22/189,433.98
  6. Step 6: Final answer
    x = 144,279.72

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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.