Home / 205,193.05-283,284.20-156,412.01

Finding the Fourth Proportional to 205,193.05, 283,284.20 and 156,412.01

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Solution

The fourth proportional to 205,193.05, 283,284.20 and 156,412.01 is: 215,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,193.05 : 283,284.20 = 156,412.01 : x
  2. Step 2: Convert to fraction form
    205,193.05/283,284.20 = 156,412.01/x
  3. Step 3: Cross multiply
    205,193.05x = 283,284.20 × 156,412.01
  4. Step 4: Simplify right side
    205,193.05x = 44,309,051,123.24
  5. Step 5: Solve for x
    x = 44,309,051,123.24/205,193.05
  6. Step 6: Final answer
    x = 215,938.36

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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.