Home / 150,459.11-225,634.77-70,483.38

Finding the Fourth Proportional to 150,459.11, 225,634.77 and 70,483.38

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Solution

The fourth proportional to 150,459.11, 225,634.77 and 70,483.38 is: 105,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,459.11 : 225,634.77 = 70,483.38 : x
  2. Step 2: Convert to fraction form
    150,459.11/225,634.77 = 70,483.38/x
  3. Step 3: Cross multiply
    150,459.11x = 225,634.77 × 70,483.38
  4. Step 4: Simplify right side
    150,459.11x = 15,903,501,235.12
  5. Step 5: Solve for x
    x = 15,903,501,235.12/150,459.11
  6. Step 6: Final answer
    x = 105,699.83

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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.