Home / 116,790.15-174,545.23-85,266.61

Finding the Fourth Proportional to 116,790.15, 174,545.23 and 85,266.61

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Solution

The fourth proportional to 116,790.15, 174,545.23 and 85,266.61 is: 127,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,790.15 : 174,545.23 = 85,266.61 : x
  2. Step 2: Convert to fraction form
    116,790.15/174,545.23 = 85,266.61/x
  3. Step 3: Cross multiply
    116,790.15x = 174,545.23 × 85,266.61
  4. Step 4: Simplify right side
    116,790.15x = 14,882,879,564.12
  5. Step 5: Solve for x
    x = 14,882,879,564.12/116,790.15
  6. Step 6: Final answer
    x = 127,432.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.