Home / 133,024.68-183,641.78-102,742.02

Finding the Fourth Proportional to 133,024.68, 183,641.78 and 102,742.02

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Solution

The fourth proportional to 133,024.68, 183,641.78 and 102,742.02 is: 141,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,024.68 : 183,641.78 = 102,742.02 : x
  2. Step 2: Convert to fraction form
    133,024.68/183,641.78 = 102,742.02/x
  3. Step 3: Cross multiply
    133,024.68x = 183,641.78 × 102,742.02
  4. Step 4: Simplify right side
    133,024.68x = 18,867,727,690.45
  5. Step 5: Solve for x
    x = 18,867,727,690.45/133,024.68
  6. Step 6: Final answer
    x = 141,836.29

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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.