Home / 119,336.56-164,688.71-65,625.66

Finding the Fourth Proportional to 119,336.56, 164,688.71 and 65,625.66

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Solution

The fourth proportional to 119,336.56, 164,688.71 and 65,625.66 is: 90,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,336.56 : 164,688.71 = 65,625.66 : x
  2. Step 2: Convert to fraction form
    119,336.56/164,688.71 = 65,625.66/x
  3. Step 3: Cross multiply
    119,336.56x = 164,688.71 × 65,625.66
  4. Step 4: Simplify right side
    119,336.56x = 10,807,804,960.17
  5. Step 5: Solve for x
    x = 10,807,804,960.17/119,336.56
  6. Step 6: Final answer
    x = 90,565.75

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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.