Home / 219,182.10-328,776.39-61,400.58

Finding the Fourth Proportional to 219,182.10, 328,776.39 and 61,400.58

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Solution

The fourth proportional to 219,182.10, 328,776.39 and 61,400.58 is: 92,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,182.10 : 328,776.39 = 61,400.58 : x
  2. Step 2: Convert to fraction form
    219,182.10/328,776.39 = 61,400.58/x
  3. Step 3: Cross multiply
    219,182.10x = 328,776.39 × 61,400.58
  4. Step 4: Simplify right side
    219,182.10x = 20,187,061,036.31
  5. Step 5: Solve for x
    x = 20,187,061,036.31/219,182.10
  6. Step 6: Final answer
    x = 92,101.78

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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.