Home / 242,861.18-364,071.23-85,003.52

Finding the Fourth Proportional to 242,861.18, 364,071.23 and 85,003.52

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Solution

The fourth proportional to 242,861.18, 364,071.23 and 85,003.52 is: 127,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,861.18 : 364,071.23 = 85,003.52 : x
  2. Step 2: Convert to fraction form
    242,861.18/364,071.23 = 85,003.52/x
  3. Step 3: Cross multiply
    242,861.18x = 364,071.23 × 85,003.52
  4. Step 4: Simplify right side
    242,861.18x = 30,947,333,835.36
  5. Step 5: Solve for x
    x = 30,947,333,835.36/242,861.18
  6. Step 6: Final answer
    x = 127,428.08

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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.