Home / 328,765.14-493,129.22-88,875.50

Finding the Fourth Proportional to 328,765.14, 493,129.22 and 88,875.50

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Solution

The fourth proportional to 328,765.14, 493,129.22 and 88,875.50 is: 133,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,765.14 : 493,129.22 = 88,875.50 : x
  2. Step 2: Convert to fraction form
    328,765.14/493,129.22 = 88,875.50/x
  3. Step 3: Cross multiply
    328,765.14x = 493,129.22 × 88,875.50
  4. Step 4: Simplify right side
    328,765.14x = 43,827,103,082.09
  5. Step 5: Solve for x
    x = 43,827,103,082.09/328,765.14
  6. Step 6: Final answer
    x = 133,308.24

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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.