Home / 346,919.16-478,742.22-196,012.92

Finding the Fourth Proportional to 346,919.16, 478,742.22 and 196,012.92

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Solution

The fourth proportional to 346,919.16, 478,742.22 and 196,012.92 is: 270,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,919.16 : 478,742.22 = 196,012.92 : x
  2. Step 2: Convert to fraction form
    346,919.16/478,742.22 = 196,012.92/x
  3. Step 3: Cross multiply
    346,919.16x = 478,742.22 × 196,012.92
  4. Step 4: Simplify right side
    346,919.16x = 93,839,660,469.48
  5. Step 5: Solve for x
    x = 93,839,660,469.48/346,919.16
  6. Step 6: Final answer
    x = 270,494.31

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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.