Home / 189,581.17-261,623.28-103,537.93

Finding the Fourth Proportional to 189,581.17, 261,623.28 and 103,537.93

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Solution

The fourth proportional to 189,581.17, 261,623.28 and 103,537.93 is: 142,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.17 : 261,623.28 = 103,537.93 : x
  2. Step 2: Convert to fraction form
    189,581.17/261,623.28 = 103,537.93/x
  3. Step 3: Cross multiply
    189,581.17x = 261,623.28 × 103,537.93
  4. Step 4: Simplify right side
    189,581.17x = 27,087,932,851.01
  5. Step 5: Solve for x
    x = 27,087,932,851.01/189,581.17
  6. Step 6: Final answer
    x = 142,883.03

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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.