Home / 117,916.86-162,833.38-74,910.18

Finding the Fourth Proportional to 117,916.86, 162,833.38 and 74,910.18

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Solution

The fourth proportional to 117,916.86, 162,833.38 and 74,910.18 is: 103,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,916.86 : 162,833.38 = 74,910.18 : x
  2. Step 2: Convert to fraction form
    117,916.86/162,833.38 = 74,910.18/x
  3. Step 3: Cross multiply
    117,916.86x = 162,833.38 × 74,910.18
  4. Step 4: Simplify right side
    117,916.86x = 12,197,877,618.53
  5. Step 5: Solve for x
    x = 12,197,877,618.53/117,916.86
  6. Step 6: Final answer
    x = 103,444.73

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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.