Home / 148,946.76-205,755.39-135,494.28

Finding the Fourth Proportional to 148,946.76, 205,755.39 and 135,494.28

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Solution

The fourth proportional to 148,946.76, 205,755.39 and 135,494.28 is: 187,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.76 : 205,755.39 = 135,494.28 : x
  2. Step 2: Convert to fraction form
    148,946.76/205,755.39 = 135,494.28/x
  3. Step 3: Cross multiply
    148,946.76x = 205,755.39 × 135,494.28
  4. Step 4: Simplify right side
    148,946.76x = 27,878,678,424.17
  5. Step 5: Solve for x
    x = 27,878,678,424.17/148,946.76
  6. Step 6: Final answer
    x = 187,172.10

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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.