Home / 133,030.18-183,649.38-102,747.52

Finding the Fourth Proportional to 133,030.18, 183,649.38 and 102,747.52

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Solution

The fourth proportional to 133,030.18, 183,649.38 and 102,747.52 is: 141,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.18 : 183,649.38 = 102,747.52 : x
  2. Step 2: Convert to fraction form
    133,030.18/183,649.38 = 102,747.52/x
  3. Step 3: Cross multiply
    133,030.18x = 183,649.38 × 102,747.52
  4. Step 4: Simplify right side
    133,030.18x = 18,869,518,344.54
  5. Step 5: Solve for x
    x = 18,869,518,344.54/133,030.18
  6. Step 6: Final answer
    x = 141,843.89

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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.