Home / 157,882.03-217,874.65-86,260.51

Finding the Fourth Proportional to 157,882.03, 217,874.65 and 86,260.51

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Solution

The fourth proportional to 157,882.03, 217,874.65 and 86,260.51 is: 119,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882.03 : 217,874.65 = 86,260.51 : x
  2. Step 2: Convert to fraction form
    157,882.03/217,874.65 = 86,260.51/x
  3. Step 3: Cross multiply
    157,882.03x = 217,874.65 × 86,260.51
  4. Step 4: Simplify right side
    157,882.03x = 18,793,978,425.07
  5. Step 5: Solve for x
    x = 18,793,978,425.07/157,882.03
  6. Step 6: Final answer
    x = 119,038.11

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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.