Home / 160,433.06-221,409.93-91,524.05

Finding the Fourth Proportional to 160,433.06, 221,409.93 and 91,524.05

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Solution

The fourth proportional to 160,433.06, 221,409.93 and 91,524.05 is: 126,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,433.06 : 221,409.93 = 91,524.05 : x
  2. Step 2: Convert to fraction form
    160,433.06/221,409.93 = 91,524.05/x
  3. Step 3: Cross multiply
    160,433.06x = 221,409.93 × 91,524.05
  4. Step 4: Simplify right side
    160,433.06x = 20,264,333,503.82
  5. Step 5: Solve for x
    x = 20,264,333,503.82/160,433.06
  6. Step 6: Final answer
    x = 126,310.21

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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.