Home / 133,020.81-183,561.35-75,652.38

Finding the Fourth Proportional to 133,020.81, 183,561.35 and 75,652.38

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Solution

The fourth proportional to 133,020.81, 183,561.35 and 75,652.38 is: 104,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.81 : 183,561.35 = 75,652.38 : x
  2. Step 2: Convert to fraction form
    133,020.81/183,561.35 = 75,652.38/x
  3. Step 3: Cross multiply
    133,020.81x = 183,561.35 × 75,652.38
  4. Step 4: Simplify right side
    133,020.81x = 13,886,852,625.25
  5. Step 5: Solve for x
    x = 13,886,852,625.25/133,020.81
  6. Step 6: Final answer
    x = 104,396.09

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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.