Home / 185,636.56-256,178.70-100,753.63

Finding the Fourth Proportional to 185,636.56, 256,178.70 and 100,753.63

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Solution

The fourth proportional to 185,636.56, 256,178.70 and 100,753.63 is: 139,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,636.56 : 256,178.70 = 100,753.63 : x
  2. Step 2: Convert to fraction form
    185,636.56/256,178.70 = 100,753.63/x
  3. Step 3: Cross multiply
    185,636.56x = 256,178.70 × 100,753.63
  4. Step 4: Simplify right side
    185,636.56x = 25,810,933,953.68
  5. Step 5: Solve for x
    x = 25,810,933,953.68/185,636.56
  6. Step 6: Final answer
    x = 139,040.14

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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.