Home / 150,637.38-207,898.02-86,975.07

Finding the Fourth Proportional to 150,637.38, 207,898.02 and 86,975.07

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Solution

The fourth proportional to 150,637.38, 207,898.02 and 86,975.07 is: 120,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,637.38 : 207,898.02 = 86,975.07 : x
  2. Step 2: Convert to fraction form
    150,637.38/207,898.02 = 86,975.07/x
  3. Step 3: Cross multiply
    150,637.38x = 207,898.02 × 86,975.07
  4. Step 4: Simplify right side
    150,637.38x = 18,081,944,842.36
  5. Step 5: Solve for x
    x = 18,081,944,842.36/150,637.38
  6. Step 6: Final answer
    x = 120,036.24

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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.