Home / 185,536.17-256,040.39-100,653.22

Finding the Fourth Proportional to 185,536.17, 256,040.39 and 100,653.22

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Solution

The fourth proportional to 185,536.17, 256,040.39 and 100,653.22 is: 138,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,536.17 : 256,040.39 = 100,653.22 : x
  2. Step 2: Convert to fraction form
    185,536.17/256,040.39 = 100,653.22/x
  3. Step 3: Cross multiply
    185,536.17x = 256,040.39 × 100,653.22
  4. Step 4: Simplify right side
    185,536.17x = 25,771,289,703.56
  5. Step 5: Solve for x
    x = 25,771,289,703.56/185,536.17
  6. Step 6: Final answer
    x = 138,901.70

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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.