Home / 221,084.83-305,010.45-136,054.27

Finding the Fourth Proportional to 221,084.83, 305,010.45 and 136,054.27

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Solution

The fourth proportional to 221,084.83, 305,010.45 and 136,054.27 is: 187,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,084.83 : 305,010.45 = 136,054.27 : x
  2. Step 2: Convert to fraction form
    221,084.83/305,010.45 = 136,054.27/x
  3. Step 3: Cross multiply
    221,084.83x = 305,010.45 × 136,054.27
  4. Step 4: Simplify right side
    221,084.83x = 41,497,974,117.12
  5. Step 5: Solve for x
    x = 41,497,974,117.12/221,084.83
  6. Step 6: Final answer
    x = 187,701.59

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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.