Home / 189,360.24-261,331.80-104,484.72

Finding the Fourth Proportional to 189,360.24, 261,331.80 and 104,484.72

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Solution

The fourth proportional to 189,360.24, 261,331.80 and 104,484.72 is: 144,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,360.24 : 261,331.80 = 104,484.72 : x
  2. Step 2: Convert to fraction form
    189,360.24/261,331.80 = 104,484.72/x
  3. Step 3: Cross multiply
    189,360.24x = 261,331.80 × 104,484.72
  4. Step 4: Simplify right side
    189,360.24x = 27,305,179,950.10
  5. Step 5: Solve for x
    x = 27,305,179,950.10/189,360.24
  6. Step 6: Final answer
    x = 144,197.01

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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.