Home / 147,148.69-203,126.81-124,604.37

Finding the Fourth Proportional to 147,148.69, 203,126.81 and 124,604.37

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Solution

The fourth proportional to 147,148.69, 203,126.81 and 124,604.37 is: 172,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,148.69 : 203,126.81 = 124,604.37 : x
  2. Step 2: Convert to fraction form
    147,148.69/203,126.81 = 124,604.37/x
  3. Step 3: Cross multiply
    147,148.69x = 203,126.81 × 124,604.37
  4. Step 4: Simplify right side
    147,148.69x = 25,310,488,190.16
  5. Step 5: Solve for x
    x = 25,310,488,190.16/147,148.69
  6. Step 6: Final answer
    x = 172,006.21

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1.5x scale

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.