Home / 96,808.40-145,212.60-89,226.80

Finding the Fourth Proportional to 96,808.40, 145,212.60 and 89,226.80

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Solution

The fourth proportional to 96,808.40, 145,212.60 and 89,226.80 is: 133,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808.40 : 145,212.60 = 89,226.80 : x
  2. Step 2: Convert to fraction form
    96,808.40/145,212.60 = 89,226.80/x
  3. Step 3: Cross multiply
    96,808.40x = 145,212.60 × 89,226.80
  4. Step 4: Simplify right side
    96,808.40x = 12,956,855,617.68
  5. Step 5: Solve for x
    x = 12,956,855,617.68/96,808.40
  6. Step 6: Final answer
    x = 133,840.20

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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.