Home / 109,551.01-164,394.56-70,136.41

Finding the Fourth Proportional to 109,551.01, 164,394.56 and 70,136.41

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Solution

The fourth proportional to 109,551.01, 164,394.56 and 70,136.41 is: 105,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,551.01 : 164,394.56 = 70,136.41 : x
  2. Step 2: Convert to fraction form
    109,551.01/164,394.56 = 70,136.41/x
  3. Step 3: Cross multiply
    109,551.01x = 164,394.56 × 70,136.41
  4. Step 4: Simplify right side
    109,551.01x = 11,530,044,261.93
  5. Step 5: Solve for x
    x = 11,530,044,261.93/109,551.01
  6. Step 6: Final answer
    x = 105,248.18

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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.