Home / 234,700.08-323,891.28-139,171.92

Finding the Fourth Proportional to 234,700.08, 323,891.28 and 139,171.92

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Solution

The fourth proportional to 234,700.08, 323,891.28 and 139,171.92 is: 192,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,700.08 : 323,891.28 = 139,171.92 : x
  2. Step 2: Convert to fraction form
    234,700.08/323,891.28 = 139,171.92/x
  3. Step 3: Cross multiply
    234,700.08x = 323,891.28 × 139,171.92
  4. Step 4: Simplify right side
    234,700.08x = 45,076,571,308.86
  5. Step 5: Solve for x
    x = 45,076,571,308.86/234,700.08
  6. Step 6: Final answer
    x = 192,060.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.