Home / 235,122.12-324,468.45-127,692.18

Finding the Fourth Proportional to 235,122.12, 324,468.45 and 127,692.18

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Solution

The fourth proportional to 235,122.12, 324,468.45 and 127,692.18 is: 176,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,122.12 : 324,468.45 = 127,692.18 : x
  2. Step 2: Convert to fraction form
    235,122.12/324,468.45 = 127,692.18/x
  3. Step 3: Cross multiply
    235,122.12x = 324,468.45 × 127,692.18
  4. Step 4: Simplify right side
    235,122.12x = 41,432,083,721.72
  5. Step 5: Solve for x
    x = 41,432,083,721.72/235,122.12
  6. Step 6: Final answer
    x = 176,215.17

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1.5x scale

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.