Home / 188,560.37-260,176.10-105,777.11

Finding the Fourth Proportional to 188,560.37, 260,176.10 and 105,777.11

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Solution

The fourth proportional to 188,560.37, 260,176.10 and 105,777.11 is: 145,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.37 : 260,176.10 = 105,777.11 : x
  2. Step 2: Convert to fraction form
    188,560.37/260,176.10 = 105,777.11/x
  3. Step 3: Cross multiply
    188,560.37x = 260,176.10 × 105,777.11
  4. Step 4: Simplify right side
    188,560.37x = 27,520,676,070.63
  5. Step 5: Solve for x
    x = 27,520,676,070.63/188,560.37
  6. Step 6: Final answer
    x = 145,951.54

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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.