Home / 99,772.94-148,777.30-98,883.56

Finding the Fourth Proportional to 99,772.94, 148,777.30 and 98,883.56

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Solution

The fourth proportional to 99,772.94, 148,777.30 and 98,883.56 is: 147,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,772.94 : 148,777.30 = 98,883.56 : x
  2. Step 2: Convert to fraction form
    99,772.94/148,777.30 = 98,883.56/x
  3. Step 3: Cross multiply
    99,772.94x = 148,777.30 × 98,883.56
  4. Step 4: Simplify right side
    99,772.94x = 14,711,629,071.19
  5. Step 5: Solve for x
    x = 14,711,629,071.19/99,772.94
  6. Step 6: Final answer
    x = 147,451.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.