Home / 119,086.45-178,684.25-51,639.17

Finding the Fourth Proportional to 119,086.45, 178,684.25 and 51,639.17

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Solution

The fourth proportional to 119,086.45, 178,684.25 and 51,639.17 is: 77,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,086.45 : 178,684.25 = 51,639.17 : x
  2. Step 2: Convert to fraction form
    119,086.45/178,684.25 = 51,639.17/x
  3. Step 3: Cross multiply
    119,086.45x = 178,684.25 × 51,639.17
  4. Step 4: Simplify right side
    119,086.45x = 9,227,105,210.46
  5. Step 5: Solve for x
    x = 9,227,105,210.46/119,086.45
  6. Step 6: Final answer
    x = 77,482.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.