Home / 169,566.72-233,993.47-100,659.13

Finding the Fourth Proportional to 169,566.72, 233,993.47 and 100,659.13

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Solution

The fourth proportional to 169,566.72, 233,993.47 and 100,659.13 is: 138,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,566.72 : 233,993.47 = 100,659.13 : x
  2. Step 2: Convert to fraction form
    169,566.72/233,993.47 = 100,659.13/x
  3. Step 3: Cross multiply
    169,566.72x = 233,993.47 × 100,659.13
  4. Step 4: Simplify right side
    169,566.72x = 23,553,579,115.88
  5. Step 5: Solve for x
    x = 23,553,579,115.88/169,566.72
  6. Step 6: Final answer
    x = 138,904.49

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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.