Home / 291,563.03-437,369.61-81,200.97

Finding the Fourth Proportional to 291,563.03, 437,369.61 and 81,200.97

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Solution

The fourth proportional to 291,563.03, 437,369.61 and 81,200.97 is: 121,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,563.03 : 437,369.61 = 81,200.97 : x
  2. Step 2: Convert to fraction form
    291,563.03/437,369.61 = 81,200.97/x
  3. Step 3: Cross multiply
    291,563.03x = 437,369.61 × 81,200.97
  4. Step 4: Simplify right side
    291,563.03x = 35,514,836,580.52
  5. Step 5: Solve for x
    x = 35,514,836,580.52/291,563.03
  6. Step 6: Final answer
    x = 121,808.44

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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.