Home / 221,083.23-305,008.25-136,052.67

Finding the Fourth Proportional to 221,083.23, 305,008.25 and 136,052.67

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Solution

The fourth proportional to 221,083.23, 305,008.25 and 136,052.67 is: 187,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,083.23 : 305,008.25 = 136,052.67 : x
  2. Step 2: Convert to fraction form
    221,083.23/305,008.25 = 136,052.67/x
  3. Step 3: Cross multiply
    221,083.23x = 305,008.25 × 136,052.67
  4. Step 4: Simplify right side
    221,083.23x = 41,497,186,784.53
  5. Step 5: Solve for x
    x = 41,497,186,784.53/221,083.23
  6. Step 6: Final answer
    x = 187,699.39

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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.