Home / 99,922.40-149,883.60-53,266.40

Finding the Fourth Proportional to 99,922.40, 149,883.60 and 53,266.40

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Solution

The fourth proportional to 99,922.40, 149,883.60 and 53,266.40 is: 79,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922.40 : 149,883.60 = 53,266.40 : x
  2. Step 2: Convert to fraction form
    99,922.40/149,883.60 = 53,266.40/x
  3. Step 3: Cross multiply
    99,922.40x = 149,883.60 × 53,266.40
  4. Step 4: Simplify right side
    99,922.40x = 7,983,759,791.04
  5. Step 5: Solve for x
    x = 7,983,759,791.04/99,922.40
  6. Step 6: Final answer
    x = 79,899.60

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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.