Home / 250,037.10-345,048.39-136,858.50

Finding the Fourth Proportional to 250,037.10, 345,048.39 and 136,858.50

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Solution

The fourth proportional to 250,037.10, 345,048.39 and 136,858.50 is: 188,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,037.10 : 345,048.39 = 136,858.50 : x
  2. Step 2: Convert to fraction form
    250,037.10/345,048.39 = 136,858.50/x
  3. Step 3: Cross multiply
    250,037.10x = 345,048.39 × 136,858.50
  4. Step 4: Simplify right side
    250,037.10x = 47,222,805,082.82
  5. Step 5: Solve for x
    x = 47,222,805,082.82/250,037.10
  6. Step 6: Final answer
    x = 188,863.19

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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.