Home / 274,440.58-411,603.27-77,402.50

Finding the Fourth Proportional to 274,440.58, 411,603.27 and 77,402.50

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Solution

The fourth proportional to 274,440.58, 411,603.27 and 77,402.50 is: 116,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,440.58 : 411,603.27 = 77,402.50 : x
  2. Step 2: Convert to fraction form
    274,440.58/411,603.27 = 77,402.50/x
  3. Step 3: Cross multiply
    274,440.58x = 411,603.27 × 77,402.50
  4. Step 4: Simplify right side
    274,440.58x = 31,859,122,106.18
  5. Step 5: Solve for x
    x = 31,859,122,106.18/274,440.58
  6. Step 6: Final answer
    x = 116,087.50

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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.