Home / 150,252.96-207,347.76-86,589.36

Finding the Fourth Proportional to 150,252.96, 207,347.76 and 86,589.36

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Solution

The fourth proportional to 150,252.96, 207,347.76 and 86,589.36 is: 119,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,252.96 : 207,347.76 = 86,589.36 : x
  2. Step 2: Convert to fraction form
    150,252.96/207,347.76 = 86,589.36/x
  3. Step 3: Cross multiply
    150,252.96x = 207,347.76 × 86,589.36
  4. Step 4: Simplify right side
    150,252.96x = 17,954,109,835.83
  5. Step 5: Solve for x
    x = 17,954,109,835.83/150,252.96
  6. Step 6: Final answer
    x = 119,492.55

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1.5x scale

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.