Home / 155,150.43-214,040.12-97,754.91

Finding the Fourth Proportional to 155,150.43, 214,040.12 and 97,754.91

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Solution

The fourth proportional to 155,150.43, 214,040.12 and 97,754.91 is: 134,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,150.43 : 214,040.12 = 97,754.91 : x
  2. Step 2: Convert to fraction form
    155,150.43/214,040.12 = 97,754.91/x
  3. Step 3: Cross multiply
    155,150.43x = 214,040.12 × 97,754.91
  4. Step 4: Simplify right side
    155,150.43x = 20,923,472,178.21
  5. Step 5: Solve for x
    x = 20,923,472,178.21/155,150.43
  6. Step 6: Final answer
    x = 134,859.26

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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.