Home / 140,222.32-193,510.08-76,560.60

Finding the Fourth Proportional to 140,222.32, 193,510.08 and 76,560.60

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Solution

The fourth proportional to 140,222.32, 193,510.08 and 76,560.60 is: 105,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,222.32 : 193,510.08 = 76,560.60 : x
  2. Step 2: Convert to fraction form
    140,222.32/193,510.08 = 76,560.60/x
  3. Step 3: Cross multiply
    140,222.32x = 193,510.08 × 76,560.60
  4. Step 4: Simplify right side
    140,222.32x = 14,815,247,830.85
  5. Step 5: Solve for x
    x = 14,815,247,830.85/140,222.32
  6. Step 6: Final answer
    x = 105,655.42

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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.