Home / 219,935.88-329,742.28-70,089.96

Finding the Fourth Proportional to 219,935.88, 329,742.28 and 70,089.96

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Solution

The fourth proportional to 219,935.88, 329,742.28 and 70,089.96 is: 105,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,935.88 : 329,742.28 = 70,089.96 : x
  2. Step 2: Convert to fraction form
    219,935.88/329,742.28 = 70,089.96/x
  3. Step 3: Cross multiply
    219,935.88x = 329,742.28 × 70,089.96
  4. Step 4: Simplify right side
    219,935.88x = 23,111,623,215.51
  5. Step 5: Solve for x
    x = 23,111,623,215.51/219,935.88
  6. Step 6: Final answer
    x = 105,083.46

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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.