Home / 219,776.42-329,646.39-70,010.66

Finding the Fourth Proportional to 219,776.42, 329,646.39 and 70,010.66

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Solution

The fourth proportional to 219,776.42, 329,646.39 and 70,010.66 is: 105,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,776.42 : 329,646.39 = 70,010.66 : x
  2. Step 2: Convert to fraction form
    219,776.42/329,646.39 = 70,010.66/x
  3. Step 3: Cross multiply
    219,776.42x = 329,646.39 × 70,010.66
  4. Step 4: Simplify right side
    219,776.42x = 23,078,761,330.52
  5. Step 5: Solve for x
    x = 23,078,761,330.52/219,776.42
  6. Step 6: Final answer
    x = 105,010.18

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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.