Home / 266,801.10-400,053.96-109,140.30

Finding the Fourth Proportional to 266,801.10, 400,053.96 and 109,140.30

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Solution

The fourth proportional to 266,801.10, 400,053.96 and 109,140.30 is: 163,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,801.10 : 400,053.96 = 109,140.30 : x
  2. Step 2: Convert to fraction form
    266,801.10/400,053.96 = 109,140.30/x
  3. Step 3: Cross multiply
    266,801.10x = 400,053.96 × 109,140.30
  4. Step 4: Simplify right side
    266,801.10x = 43,662,009,210.59
  5. Step 5: Solve for x
    x = 43,662,009,210.59/266,801.10
  6. Step 6: Final answer
    x = 163,650.03

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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.