Home / 189,519.48-261,194.31-157,083.30

Finding the Fourth Proportional to 189,519.48, 261,194.31 and 157,083.30

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Solution

The fourth proportional to 189,519.48, 261,194.31 and 157,083.30 is: 216,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,519.48 : 261,194.31 = 157,083.30 : x
  2. Step 2: Convert to fraction form
    189,519.48/261,194.31 = 157,083.30/x
  3. Step 3: Cross multiply
    189,519.48x = 261,194.31 × 157,083.30
  4. Step 4: Simplify right side
    189,519.48x = 41,029,264,156.02
  5. Step 5: Solve for x
    x = 41,029,264,156.02/189,519.48
  6. Step 6: Final answer
    x = 216,491.01

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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.