Home / 119,379.16-164,766.61-68,426.02

Finding the Fourth Proportional to 119,379.16, 164,766.61 and 68,426.02

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Solution

The fourth proportional to 119,379.16, 164,766.61 and 68,426.02 is: 94,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,379.16 : 164,766.61 = 68,426.02 : x
  2. Step 2: Convert to fraction form
    119,379.16/164,766.61 = 68,426.02/x
  3. Step 3: Cross multiply
    119,379.16x = 164,766.61 × 68,426.02
  4. Step 4: Simplify right side
    119,379.16x = 11,274,323,024.81
  5. Step 5: Solve for x
    x = 11,274,323,024.81/119,379.16
  6. Step 6: Final answer
    x = 94,441.30

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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.