Home / 219,001.92-328,561.28-69,245.02

Finding the Fourth Proportional to 219,001.92, 328,561.28 and 69,245.02

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Solution

The fourth proportional to 219,001.92, 328,561.28 and 69,245.02 is: 103,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,001.92 : 328,561.28 = 69,245.02 : x
  2. Step 2: Convert to fraction form
    219,001.92/328,561.28 = 69,245.02/x
  3. Step 3: Cross multiply
    219,001.92x = 328,561.28 × 69,245.02
  4. Step 4: Simplify right side
    219,001.92x = 22,751,232,404.83
  5. Step 5: Solve for x
    x = 22,751,232,404.83/219,001.92
  6. Step 6: Final answer
    x = 103,886.00

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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.