Home / 234,221.86-323,228.40-137,427.36

Finding the Fourth Proportional to 234,221.86, 323,228.40 and 137,427.36

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Solution

The fourth proportional to 234,221.86, 323,228.40 and 137,427.36 is: 189,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,221.86 : 323,228.40 = 137,427.36 : x
  2. Step 2: Convert to fraction form
    234,221.86/323,228.40 = 137,427.36/x
  3. Step 3: Cross multiply
    234,221.86x = 323,228.40 × 137,427.36
  4. Step 4: Simplify right side
    234,221.86x = 44,420,425,689.02
  5. Step 5: Solve for x
    x = 44,420,425,689.02/234,221.86
  6. Step 6: Final answer
    x = 189,651.07

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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.