Home / 150,831.96-226,343.31-84,315.78

Finding the Fourth Proportional to 150,831.96, 226,343.31 and 84,315.78

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Solution

The fourth proportional to 150,831.96, 226,343.31 and 84,315.78 is: 126,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.96 : 226,343.31 = 84,315.78 : x
  2. Step 2: Convert to fraction form
    150,831.96/226,343.31 = 84,315.78/x
  3. Step 3: Cross multiply
    150,831.96x = 226,343.31 × 84,315.78
  4. Step 4: Simplify right side
    150,831.96x = 19,084,312,730.43
  5. Step 5: Solve for x
    x = 19,084,312,730.43/150,831.96
  6. Step 6: Final answer
    x = 126,526.98

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1.5x scale

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.