Home / 148,336.58-204,705.47-80,353.56

Finding the Fourth Proportional to 148,336.58, 204,705.47 and 80,353.56

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Solution

The fourth proportional to 148,336.58, 204,705.47 and 80,353.56 is: 110,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,336.58 : 204,705.47 = 80,353.56 : x
  2. Step 2: Convert to fraction form
    148,336.58/204,705.47 = 80,353.56/x
  3. Step 3: Cross multiply
    148,336.58x = 204,705.47 × 80,353.56
  4. Step 4: Simplify right side
    148,336.58x = 16,448,813,466.86
  5. Step 5: Solve for x
    x = 16,448,813,466.86/148,336.58
  6. Step 6: Final answer
    x = 110,888.45

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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.