Home / 205,341.48-283,265.10-129,933.72

Finding the Fourth Proportional to 205,341.48, 283,265.10 and 129,933.72

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Solution

The fourth proportional to 205,341.48, 283,265.10 and 129,933.72 is: 179,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,341.48 : 283,265.10 = 129,933.72 : x
  2. Step 2: Convert to fraction form
    205,341.48/283,265.10 = 129,933.72/x
  3. Step 3: Cross multiply
    205,341.48x = 283,265.10 × 129,933.72
  4. Step 4: Simplify right side
    205,341.48x = 36,805,688,189.17
  5. Step 5: Solve for x
    x = 36,805,688,189.17/205,341.48
  6. Step 6: Final answer
    x = 179,241.37

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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.