Home / 140,916.42-194,467.17-76,387.77

Finding the Fourth Proportional to 140,916.42, 194,467.17 and 76,387.77

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Solution

The fourth proportional to 140,916.42, 194,467.17 and 76,387.77 is: 105,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.42 : 194,467.17 = 76,387.77 : x
  2. Step 2: Convert to fraction form
    140,916.42/194,467.17 = 76,387.77/x
  3. Step 3: Cross multiply
    140,916.42x = 194,467.17 × 76,387.77
  4. Step 4: Simplify right side
    140,916.42x = 14,854,913,454.51
  5. Step 5: Solve for x
    x = 14,854,913,454.51/140,916.42
  6. Step 6: Final answer
    x = 105,416.48

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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.