Home / 116,045.18-160,111.78-66,974.62

Finding the Fourth Proportional to 116,045.18, 160,111.78 and 66,974.62

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Solution

The fourth proportional to 116,045.18, 160,111.78 and 66,974.62 is: 92,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,045.18 : 160,111.78 = 66,974.62 : x
  2. Step 2: Convert to fraction form
    116,045.18/160,111.78 = 66,974.62/x
  3. Step 3: Cross multiply
    116,045.18x = 160,111.78 × 66,974.62
  4. Step 4: Simplify right side
    116,045.18x = 10,723,425,623.02
  5. Step 5: Solve for x
    x = 10,723,425,623.02/116,045.18
  6. Step 6: Final answer
    x = 92,407.33

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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.