Home / 119,087.45-178,685.75-51,640.17

Finding the Fourth Proportional to 119,087.45, 178,685.75 and 51,640.17

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Solution

The fourth proportional to 119,087.45, 178,685.75 and 51,640.17 is: 77,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,087.45 : 178,685.75 = 51,640.17 : x
  2. Step 2: Convert to fraction form
    119,087.45/178,685.75 = 51,640.17/x
  3. Step 3: Cross multiply
    119,087.45x = 178,685.75 × 51,640.17
  4. Step 4: Simplify right side
    119,087.45x = 9,227,362,506.58
  5. Step 5: Solve for x
    x = 9,227,362,506.58/119,087.45
  6. Step 6: Final answer
    x = 77,483.92

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1.5x scale

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.