Home / 266,111.70-398,511.45-176,882.10

Finding the Fourth Proportional to 266,111.70, 398,511.45 and 176,882.10

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Solution

The fourth proportional to 266,111.70, 398,511.45 and 176,882.10 is: 264,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,111.70 : 398,511.45 = 176,882.10 : x
  2. Step 2: Convert to fraction form
    266,111.70/398,511.45 = 176,882.10/x
  3. Step 3: Cross multiply
    266,111.70x = 398,511.45 × 176,882.10
  4. Step 4: Simplify right side
    266,111.70x = 70,489,542,150.05
  5. Step 5: Solve for x
    x = 70,489,542,150.05/266,111.70
  6. Step 6: Final answer
    x = 264,887.05

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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.