Home / 185,609.51-256,141.29-100,726.57

Finding the Fourth Proportional to 185,609.51, 256,141.29 and 100,726.57

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Solution

The fourth proportional to 185,609.51, 256,141.29 and 100,726.57 is: 139,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,609.51 : 256,141.29 = 100,726.57 : x
  2. Step 2: Convert to fraction form
    185,609.51/256,141.29 = 100,726.57/x
  3. Step 3: Cross multiply
    185,609.51x = 256,141.29 × 100,726.57
  4. Step 4: Simplify right side
    185,609.51x = 25,800,233,577.08
  5. Step 5: Solve for x
    x = 25,800,233,577.08/185,609.51
  6. Step 6: Final answer
    x = 139,002.76

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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.