Home / 213,376.46-320,081.02-63,605.30

Finding the Fourth Proportional to 213,376.46, 320,081.02 and 63,605.30

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Solution

The fourth proportional to 213,376.46, 320,081.02 and 63,605.30 is: 95,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,376.46 : 320,081.02 = 63,605.30 : x
  2. Step 2: Convert to fraction form
    213,376.46/320,081.02 = 63,605.30/x
  3. Step 3: Cross multiply
    213,376.46x = 320,081.02 × 63,605.30
  4. Step 4: Simplify right side
    213,376.46x = 20,358,847,541.99
  5. Step 5: Solve for x
    x = 20,358,847,541.99/213,376.46
  6. Step 6: Final answer
    x = 95,412.81

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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.