Home / 131,464.40-197,196.60-57,736.40

Finding the Fourth Proportional to 131,464.40, 197,196.60 and 57,736.40

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Solution

The fourth proportional to 131,464.40, 197,196.60 and 57,736.40 is: 86,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464.40 : 197,196.60 = 57,736.40 : x
  2. Step 2: Convert to fraction form
    131,464.40/197,196.60 = 57,736.40/x
  3. Step 3: Cross multiply
    131,464.40x = 197,196.60 × 57,736.40
  4. Step 4: Simplify right side
    131,464.40x = 11,385,421,776.24
  5. Step 5: Solve for x
    x = 11,385,421,776.24/131,464.40
  6. Step 6: Final answer
    x = 86,604.60

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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.