Home / 221,051.28-331,299.63-94,543.05

Finding the Fourth Proportional to 221,051.28, 331,299.63 and 94,543.05

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Solution

The fourth proportional to 221,051.28, 331,299.63 and 94,543.05 is: 141,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,051.28 : 331,299.63 = 94,543.05 : x
  2. Step 2: Convert to fraction form
    221,051.28/331,299.63 = 94,543.05/x
  3. Step 3: Cross multiply
    221,051.28x = 331,299.63 × 94,543.05
  4. Step 4: Simplify right side
    221,051.28x = 31,322,077,484.07
  5. Step 5: Solve for x
    x = 31,322,077,484.07/221,051.28
  6. Step 6: Final answer
    x = 141,695.98

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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.