Home / 131,656.06-197,504.64-42,888.94

Finding the Fourth Proportional to 131,656.06, 197,504.64 and 42,888.94

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Solution

The fourth proportional to 131,656.06, 197,504.64 and 42,888.94 is: 64,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656.06 : 197,504.64 = 42,888.94 : x
  2. Step 2: Convert to fraction form
    131,656.06/197,504.64 = 42,888.94/x
  3. Step 3: Cross multiply
    131,656.06x = 197,504.64 × 42,888.94
  4. Step 4: Simplify right side
    131,656.06x = 8,470,764,654.68
  5. Step 5: Solve for x
    x = 8,470,764,654.68/131,656.06
  6. Step 6: Final answer
    x = 64,340.10

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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.