Home / 114,128.75-171,047.55-54,157.11

Finding the Fourth Proportional to 114,128.75, 171,047.55 and 54,157.11

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Solution

The fourth proportional to 114,128.75, 171,047.55 and 54,157.11 is: 81,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,128.75 : 171,047.55 = 54,157.11 : x
  2. Step 2: Convert to fraction form
    114,128.75/171,047.55 = 54,157.11/x
  3. Step 3: Cross multiply
    114,128.75x = 171,047.55 × 54,157.11
  4. Step 4: Simplify right side
    114,128.75x = 9,263,440,237.61
  5. Step 5: Solve for x
    x = 9,263,440,237.61/114,128.75
  6. Step 6: Final answer
    x = 81,166.58

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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.