Home / 320,184.13-480,205.44-92,430.25

Finding the Fourth Proportional to 320,184.13, 480,205.44 and 92,430.25

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Solution

The fourth proportional to 320,184.13, 480,205.44 and 92,430.25 is: 138,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,184.13 : 480,205.44 = 92,430.25 : x
  2. Step 2: Convert to fraction form
    320,184.13/480,205.44 = 92,430.25/x
  3. Step 3: Cross multiply
    320,184.13x = 480,205.44 × 92,430.25
  4. Step 4: Simplify right side
    320,184.13x = 44,385,510,020.86
  5. Step 5: Solve for x
    x = 44,385,510,020.86/320,184.13
  6. Step 6: Final answer
    x = 138,624.95

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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.