Home / 133,104.92-183,683.40-72,675.38

Finding the Fourth Proportional to 133,104.92, 183,683.40 and 72,675.38

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Solution

The fourth proportional to 133,104.92, 183,683.40 and 72,675.38 is: 100,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104.92 : 183,683.40 = 72,675.38 : x
  2. Step 2: Convert to fraction form
    133,104.92/183,683.40 = 72,675.38/x
  3. Step 3: Cross multiply
    133,104.92x = 183,683.40 × 72,675.38
  4. Step 4: Simplify right side
    133,104.92x = 13,349,260,801.35
  5. Step 5: Solve for x
    x = 13,349,260,801.35/133,104.92
  6. Step 6: Final answer
    x = 100,291.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.