Home / 267,305.49-401,018.09-89,807.67

Finding the Fourth Proportional to 267,305.49, 401,018.09 and 89,807.67

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Solution

The fourth proportional to 267,305.49, 401,018.09 and 89,807.67 is: 134,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,305.49 : 401,018.09 = 89,807.67 : x
  2. Step 2: Convert to fraction form
    267,305.49/401,018.09 = 89,807.67/x
  3. Step 3: Cross multiply
    267,305.49x = 401,018.09 × 89,807.67
  4. Step 4: Simplify right side
    267,305.49x = 36,014,499,841.71
  5. Step 5: Solve for x
    x = 36,014,499,841.71/267,305.49
  6. Step 6: Final answer
    x = 134,731.61

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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.