Home / 277,947.39-416,935.67-88,428.45

Finding the Fourth Proportional to 277,947.39, 416,935.67 and 88,428.45

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Solution

The fourth proportional to 277,947.39, 416,935.67 and 88,428.45 is: 132,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,947.39 : 416,935.67 = 88,428.45 : x
  2. Step 2: Convert to fraction form
    277,947.39/416,935.67 = 88,428.45/x
  3. Step 3: Cross multiply
    277,947.39x = 416,935.67 × 88,428.45
  4. Step 4: Simplify right side
    277,947.39x = 36,868,974,605.67
  5. Step 5: Solve for x
    x = 36,868,974,605.67/277,947.39
  6. Step 6: Final answer
    x = 132,647.31

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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.