Home / 185,610.61-256,142.63-100,727.67

Finding the Fourth Proportional to 185,610.61, 256,142.63 and 100,727.67

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Solution

The fourth proportional to 185,610.61, 256,142.63 and 100,727.67 is: 139,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,610.61 : 256,142.63 = 100,727.67 : x
  2. Step 2: Convert to fraction form
    185,610.61/256,142.63 = 100,727.67/x
  3. Step 3: Cross multiply
    185,610.61x = 256,142.63 × 100,727.67
  4. Step 4: Simplify right side
    185,610.61x = 25,800,650,307.57
  5. Step 5: Solve for x
    x = 25,800,650,307.57/185,610.61
  6. Step 6: Final answer
    x = 139,004.18

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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.