Home / 147,147.69-203,125.43-124,603.37

Finding the Fourth Proportional to 147,147.69, 203,125.43 and 124,603.37

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Solution

The fourth proportional to 147,147.69, 203,125.43 and 124,603.37 is: 172,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147.69 : 203,125.43 = 124,603.37 : x
  2. Step 2: Convert to fraction form
    147,147.69/203,125.43 = 124,603.37/x
  3. Step 3: Cross multiply
    147,147.69x = 203,125.43 × 124,603.37
  4. Step 4: Simplify right side
    147,147.69x = 25,310,113,110.70
  5. Step 5: Solve for x
    x = 25,310,113,110.70/147,147.69
  6. Step 6: Final answer
    x = 172,004.83

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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.