Home / 140,594.15-194,019.93-76,931.97

Finding the Fourth Proportional to 140,594.15, 194,019.93 and 76,931.97

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Solution

The fourth proportional to 140,594.15, 194,019.93 and 76,931.97 is: 106,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,594.15 : 194,019.93 = 76,931.97 : x
  2. Step 2: Convert to fraction form
    140,594.15/194,019.93 = 76,931.97/x
  3. Step 3: Cross multiply
    140,594.15x = 194,019.93 × 76,931.97
  4. Step 4: Simplify right side
    140,594.15x = 14,926,335,434.16
  5. Step 5: Solve for x
    x = 14,926,335,434.16/140,594.15
  6. Step 6: Final answer
    x = 106,166.12

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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.