Home / 150,831.80-226,247.70-100,312.10

Finding the Fourth Proportional to 150,831.80, 226,247.70 and 100,312.10

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Solution

The fourth proportional to 150,831.80, 226,247.70 and 100,312.10 is: 150,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.80 : 226,247.70 = 100,312.10 : x
  2. Step 2: Convert to fraction form
    150,831.80/226,247.70 = 100,312.10/x
  3. Step 3: Cross multiply
    150,831.80x = 226,247.70 × 100,312.10
  4. Step 4: Simplify right side
    150,831.80x = 22,695,381,907.17
  5. Step 5: Solve for x
    x = 22,695,381,907.17/150,831.80
  6. Step 6: Final answer
    x = 150,468.15

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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.