Home / 221,718.10-332,577.15-133,071.70

Finding the Fourth Proportional to 221,718.10, 332,577.15 and 133,071.70

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Solution

The fourth proportional to 221,718.10, 332,577.15 and 133,071.70 is: 199,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,718.10 : 332,577.15 = 133,071.70 : x
  2. Step 2: Convert to fraction form
    221,718.10/332,577.15 = 133,071.70/x
  3. Step 3: Cross multiply
    221,718.10x = 332,577.15 × 133,071.70
  4. Step 4: Simplify right side
    221,718.10x = 44,256,606,731.66
  5. Step 5: Solve for x
    x = 44,256,606,731.66/221,718.10
  6. Step 6: Final answer
    x = 199,607.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.