Home / 99,546.40-149,319.60-29,426.40

Finding the Fourth Proportional to 99,546.40, 149,319.60 and 29,426.40

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Solution

The fourth proportional to 99,546.40, 149,319.60 and 29,426.40 is: 44,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.40 : 149,319.60 = 29,426.40 : x
  2. Step 2: Convert to fraction form
    99,546.40/149,319.60 = 29,426.40/x
  3. Step 3: Cross multiply
    99,546.40x = 149,319.60 × 29,426.40
  4. Step 4: Simplify right side
    99,546.40x = 4,393,938,277.44
  5. Step 5: Solve for x
    x = 4,393,938,277.44/99,546.40
  6. Step 6: Final answer
    x = 44,139.60

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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.