Home / 132,056.40-197,647.20-121,558.80

Finding the Fourth Proportional to 132,056.40, 197,647.20 and 121,558.80

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Solution

The fourth proportional to 132,056.40, 197,647.20 and 121,558.80 is: 181,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,056.40 : 197,647.20 = 121,558.80 : x
  2. Step 2: Convert to fraction form
    132,056.40/197,647.20 = 121,558.80/x
  3. Step 3: Cross multiply
    132,056.40x = 197,647.20 × 121,558.80
  4. Step 4: Simplify right side
    132,056.40x = 24,025,756,455.36
  5. Step 5: Solve for x
    x = 24,025,756,455.36/132,056.40
  6. Step 6: Final answer
    x = 181,935.57

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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.