Home / 140,262.45-193,562.88-76,600.25

Finding the Fourth Proportional to 140,262.45, 193,562.88 and 76,600.25

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Solution

The fourth proportional to 140,262.45, 193,562.88 and 76,600.25 is: 105,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,262.45 : 193,562.88 = 76,600.25 : x
  2. Step 2: Convert to fraction form
    140,262.45/193,562.88 = 76,600.25/x
  3. Step 3: Cross multiply
    140,262.45x = 193,562.88 × 76,600.25
  4. Step 4: Simplify right side
    140,262.45x = 14,826,964,030.91
  5. Step 5: Solve for x
    x = 14,826,964,030.91/140,262.45
  6. Step 6: Final answer
    x = 105,708.72

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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.