Home / 303,376.20-455,064.30-92,986.80

Finding the Fourth Proportional to 303,376.20, 455,064.30 and 92,986.80

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Solution

The fourth proportional to 303,376.20, 455,064.30 and 92,986.80 is: 139,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,376.20 : 455,064.30 = 92,986.80 : x
  2. Step 2: Convert to fraction form
    303,376.20/455,064.30 = 92,986.80/x
  3. Step 3: Cross multiply
    303,376.20x = 455,064.30 × 92,986.80
  4. Step 4: Simplify right side
    303,376.20x = 42,314,973,051.24
  5. Step 5: Solve for x
    x = 42,314,973,051.24/303,376.20
  6. Step 6: Final answer
    x = 139,480.20

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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.