Home / 352,298.50-486,170.30-191,153.15

Finding the Fourth Proportional to 352,298.50, 486,170.30 and 191,153.15

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Solution

The fourth proportional to 352,298.50, 486,170.30 and 191,153.15 is: 263,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,298.50 : 486,170.30 = 191,153.15 : x
  2. Step 2: Convert to fraction form
    352,298.50/486,170.30 = 191,153.15/x
  3. Step 3: Cross multiply
    352,298.50x = 486,170.30 × 191,153.15
  4. Step 4: Simplify right side
    352,298.50x = 92,932,984,281.45
  5. Step 5: Solve for x
    x = 92,932,984,281.45/352,298.50
  6. Step 6: Final answer
    x = 263,790.46

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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.