Home / 119,932.51-165,509.44-66,220.92

Finding the Fourth Proportional to 119,932.51, 165,509.44 and 66,220.92

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Solution

The fourth proportional to 119,932.51, 165,509.44 and 66,220.92 is: 91,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,932.51 : 165,509.44 = 66,220.92 : x
  2. Step 2: Convert to fraction form
    119,932.51/165,509.44 = 66,220.92/x
  3. Step 3: Cross multiply
    119,932.51x = 165,509.44 × 66,220.92
  4. Step 4: Simplify right side
    119,932.51x = 10,960,187,592.43
  5. Step 5: Solve for x
    x = 10,960,187,592.43/119,932.51
  6. Step 6: Final answer
    x = 91,386.29

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1.5x scale

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.