Home / 111,544.16-153,887.04-63,771.84

Finding the Fourth Proportional to 111,544.16, 153,887.04 and 63,771.84

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Solution

The fourth proportional to 111,544.16, 153,887.04 and 63,771.84 is: 87,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544.16 : 153,887.04 = 63,771.84 : x
  2. Step 2: Convert to fraction form
    111,544.16/153,887.04 = 63,771.84/x
  3. Step 3: Cross multiply
    111,544.16x = 153,887.04 × 63,771.84
  4. Step 4: Simplify right side
    111,544.16x = 9,813,659,692.95
  5. Step 5: Solve for x
    x = 9,813,659,692.95/111,544.16
  6. Step 6: Final answer
    x = 87,980.04

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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.