Home / 216,005.28-323,995.77-66,245.16

Finding the Fourth Proportional to 216,005.28, 323,995.77 and 66,245.16

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Solution

The fourth proportional to 216,005.28, 323,995.77 and 66,245.16 is: 99,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,005.28 : 323,995.77 = 66,245.16 : x
  2. Step 2: Convert to fraction form
    216,005.28/323,995.77 = 66,245.16/x
  3. Step 3: Cross multiply
    216,005.28x = 323,995.77 × 66,245.16
  4. Step 4: Simplify right side
    216,005.28x = 21,463,151,622.97
  5. Step 5: Solve for x
    x = 21,463,151,622.97/216,005.28
  6. Step 6: Final answer
    x = 99,364.01

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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.