Home / 140,225.15-193,508.52-76,561.58

Finding the Fourth Proportional to 140,225.15, 193,508.52 and 76,561.58

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Solution

The fourth proportional to 140,225.15, 193,508.52 and 76,561.58 is: 105,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,225.15 : 193,508.52 = 76,561.58 : x
  2. Step 2: Convert to fraction form
    140,225.15/193,508.52 = 76,561.58/x
  3. Step 3: Cross multiply
    140,225.15x = 193,508.52 × 76,561.58
  4. Step 4: Simplify right side
    140,225.15x = 14,815,318,034.66
  5. Step 5: Solve for x
    x = 14,815,318,034.66/140,225.15
  6. Step 6: Final answer
    x = 105,653.79

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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.