Home / 157,370.87-236,126.09-82,473.23

Finding the Fourth Proportional to 157,370.87, 236,126.09 and 82,473.23

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Solution

The fourth proportional to 157,370.87, 236,126.09 and 82,473.23 is: 123,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370.87 : 236,126.09 = 82,473.23 : x
  2. Step 2: Convert to fraction form
    157,370.87/236,126.09 = 82,473.23/x
  3. Step 3: Cross multiply
    157,370.87x = 236,126.09 × 82,473.23
  4. Step 4: Simplify right side
    157,370.87x = 19,474,082,126.07
  5. Step 5: Solve for x
    x = 19,474,082,126.07/157,370.87
  6. Step 6: Final answer
    x = 123,746.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.