Home / 140,217.12-193,498.16-76,554.72

Finding the Fourth Proportional to 140,217.12, 193,498.16 and 76,554.72

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Solution

The fourth proportional to 140,217.12, 193,498.16 and 76,554.72 is: 105,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,217.12 : 193,498.16 = 76,554.72 : x
  2. Step 2: Convert to fraction form
    140,217.12/193,498.16 = 76,554.72/x
  3. Step 3: Cross multiply
    140,217.12x = 193,498.16 × 76,554.72
  4. Step 4: Simplify right side
    140,217.12x = 14,813,197,459.32
  5. Step 5: Solve for x
    x = 14,813,197,459.32/140,217.12
  6. Step 6: Final answer
    x = 105,644.71

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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.