Home / 119,920.19-165,511.52-71,525.22

Finding the Fourth Proportional to 119,920.19, 165,511.52 and 71,525.22

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Solution

The fourth proportional to 119,920.19, 165,511.52 and 71,525.22 is: 98,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,920.19 : 165,511.52 = 71,525.22 : x
  2. Step 2: Convert to fraction form
    119,920.19/165,511.52 = 71,525.22/x
  3. Step 3: Cross multiply
    119,920.19x = 165,511.52 × 71,525.22
  4. Step 4: Simplify right side
    119,920.19x = 11,838,247,170.46
  5. Step 5: Solve for x
    x = 11,838,247,170.46/119,920.19
  6. Step 6: Final answer
    x = 98,717.72

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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.