Home / 213,043.72-293,959.36-128,166.24

Finding the Fourth Proportional to 213,043.72, 293,959.36 and 128,166.24

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Solution

The fourth proportional to 213,043.72, 293,959.36 and 128,166.24 is: 176,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,043.72 : 293,959.36 = 128,166.24 : x
  2. Step 2: Convert to fraction form
    213,043.72/293,959.36 = 128,166.24/x
  3. Step 3: Cross multiply
    213,043.72x = 293,959.36 × 128,166.24
  4. Step 4: Simplify right side
    213,043.72x = 37,675,665,884.01
  5. Step 5: Solve for x
    x = 37,675,665,884.01/213,043.72
  6. Step 6: Final answer
    x = 176,844.76

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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.