Home / 119,867.04-165,415.14-66,152.34

Finding the Fourth Proportional to 119,867.04, 165,415.14 and 66,152.34

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Solution

The fourth proportional to 119,867.04, 165,415.14 and 66,152.34 is: 91,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867.04 : 165,415.14 = 66,152.34 : x
  2. Step 2: Convert to fraction form
    119,867.04/165,415.14 = 66,152.34/x
  3. Step 3: Cross multiply
    119,867.04x = 165,415.14 × 66,152.34
  4. Step 4: Simplify right side
    119,867.04x = 10,942,598,582.43
  5. Step 5: Solve for x
    x = 10,942,598,582.43/119,867.04
  6. Step 6: Final answer
    x = 91,289.47

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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.