Home / 346,716.36-478,471.86-193,766.76

Finding the Fourth Proportional to 346,716.36, 478,471.86 and 193,766.76

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Solution

The fourth proportional to 346,716.36, 478,471.86 and 193,766.76 is: 267,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,716.36 : 478,471.86 = 193,766.76 : x
  2. Step 2: Convert to fraction form
    346,716.36/478,471.86 = 193,766.76/x
  3. Step 3: Cross multiply
    346,716.36x = 478,471.86 × 193,766.76
  4. Step 4: Simplify right side
    346,716.36x = 92,711,942,063.37
  5. Step 5: Solve for x
    x = 92,711,942,063.37/346,716.36
  6. Step 6: Final answer
    x = 267,399.96

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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.