Home / 133,116.27-183,707.91-72,692.55

Finding the Fourth Proportional to 133,116.27, 183,707.91 and 72,692.55

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Solution

The fourth proportional to 133,116.27, 183,707.91 and 72,692.55 is: 100,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,116.27 : 183,707.91 = 72,692.55 : x
  2. Step 2: Convert to fraction form
    133,116.27/183,707.91 = 72,692.55/x
  3. Step 3: Cross multiply
    133,116.27x = 183,707.91 × 72,692.55
  4. Step 4: Simplify right side
    133,116.27x = 13,354,196,433.07
  5. Step 5: Solve for x
    x = 13,354,196,433.07/133,116.27
  6. Step 6: Final answer
    x = 100,319.79

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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.