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Finding the Fourth Proportional to 185,885.19, 256,523.90 and 101,003.67

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Solution

The fourth proportional to 185,885.19, 256,523.90 and 101,003.67 is: 139,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.19 : 256,523.90 = 101,003.67 : x
  2. Step 2: Convert to fraction form
    185,885.19/256,523.90 = 101,003.67/x
  3. Step 3: Cross multiply
    185,885.19x = 256,523.90 × 101,003.67
  4. Step 4: Simplify right side
    185,885.19x = 25,909,854,837.69
  5. Step 5: Solve for x
    x = 25,909,854,837.69/185,885.19
  6. Step 6: Final answer
    x = 139,386.33

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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.