Home / 114,395.85-171,603.72-30,155.45

Finding the Fourth Proportional to 114,395.85, 171,603.72 and 30,155.45

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Solution

The fourth proportional to 114,395.85, 171,603.72 and 30,155.45 is: 45,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,395.85 : 171,603.72 = 30,155.45 : x
  2. Step 2: Convert to fraction form
    114,395.85/171,603.72 = 30,155.45/x
  3. Step 3: Cross multiply
    114,395.85x = 171,603.72 × 30,155.45
  4. Step 4: Simplify right side
    114,395.85x = 5,174,786,540.26
  5. Step 5: Solve for x
    x = 5,174,786,540.26/114,395.85
  6. Step 6: Final answer
    x = 45,235.79

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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.