Home / 119,440.46-164,828.58-65,723.96

Finding the Fourth Proportional to 119,440.46, 164,828.58 and 65,723.96

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Solution

The fourth proportional to 119,440.46, 164,828.58 and 65,723.96 is: 90,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,440.46 : 164,828.58 = 65,723.96 : x
  2. Step 2: Convert to fraction form
    119,440.46/164,828.58 = 65,723.96/x
  3. Step 3: Cross multiply
    119,440.46x = 164,828.58 × 65,723.96
  4. Step 4: Simplify right side
    119,440.46x = 10,833,186,998.78
  5. Step 5: Solve for x
    x = 10,833,186,998.78/119,440.46
  6. Step 6: Final answer
    x = 90,699.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.