Home / 170,858.37-235,744.65-99,195.24

Finding the Fourth Proportional to 170,858.37, 235,744.65 and 99,195.24

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Solution

The fourth proportional to 170,858.37, 235,744.65 and 99,195.24 is: 136,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.37 : 235,744.65 = 99,195.24 : x
  2. Step 2: Convert to fraction form
    170,858.37/235,744.65 = 99,195.24/x
  3. Step 3: Cross multiply
    170,858.37x = 235,744.65 × 99,195.24
  4. Step 4: Simplify right side
    170,858.37x = 23,384,747,135.47
  5. Step 5: Solve for x
    x = 23,384,747,135.47/170,858.37
  6. Step 6: Final answer
    x = 136,866.27

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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.