Home / 149,118.47-223,649.92-47,918.28

Finding the Fourth Proportional to 149,118.47, 223,649.92 and 47,918.28

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Solution

The fourth proportional to 149,118.47, 223,649.92 and 47,918.28 is: 71,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,118.47 : 223,649.92 = 47,918.28 : x
  2. Step 2: Convert to fraction form
    149,118.47/223,649.92 = 47,918.28/x
  3. Step 3: Cross multiply
    149,118.47x = 223,649.92 × 47,918.28
  4. Step 4: Simplify right side
    149,118.47x = 10,716,919,488.54
  5. Step 5: Solve for x
    x = 10,716,919,488.54/149,118.47
  6. Step 6: Final answer
    x = 71,868.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.