Home / 119,831.84-165,368.47-66,116.83

Finding the Fourth Proportional to 119,831.84, 165,368.47 and 66,116.83

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Solution

The fourth proportional to 119,831.84, 165,368.47 and 66,116.83 is: 91,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.84 : 165,368.47 = 66,116.83 : x
  2. Step 2: Convert to fraction form
    119,831.84/165,368.47 = 66,116.83/x
  3. Step 3: Cross multiply
    119,831.84x = 165,368.47 × 66,116.83
  4. Step 4: Simplify right side
    119,831.84x = 10,933,639,018.35
  5. Step 5: Solve for x
    x = 10,933,639,018.35/119,831.84
  6. Step 6: Final answer
    x = 91,241.52

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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.