Home / 219,026.31-302,253.22-123,563.76

Finding the Fourth Proportional to 219,026.31, 302,253.22 and 123,563.76

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Solution

The fourth proportional to 219,026.31, 302,253.22 and 123,563.76 is: 170,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.31 : 302,253.22 = 123,563.76 : x
  2. Step 2: Convert to fraction form
    219,026.31/302,253.22 = 123,563.76/x
  3. Step 3: Cross multiply
    219,026.31x = 302,253.22 × 123,563.76
  4. Step 4: Simplify right side
    219,026.31x = 37,347,544,335.31
  5. Step 5: Solve for x
    x = 37,347,544,335.31/219,026.31
  6. Step 6: Final answer
    x = 170,516.25

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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.