Home / 185,981.63-256,654.45-101,099.30

Finding the Fourth Proportional to 185,981.63, 256,654.45 and 101,099.30

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Solution

The fourth proportional to 185,981.63, 256,654.45 and 101,099.30 is: 139,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,981.63 : 256,654.45 = 101,099.30 : x
  2. Step 2: Convert to fraction form
    185,981.63/256,654.45 = 101,099.30/x
  3. Step 3: Cross multiply
    185,981.63x = 256,654.45 × 101,099.30
  4. Step 4: Simplify right side
    185,981.63x = 25,947,585,236.89
  5. Step 5: Solve for x
    x = 25,947,585,236.89/185,981.63
  6. Step 6: Final answer
    x = 139,516.93

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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.