Home / 112,852.14-155,732.13-65,104.26

Finding the Fourth Proportional to 112,852.14, 155,732.13 and 65,104.26

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Solution

The fourth proportional to 112,852.14, 155,732.13 and 65,104.26 is: 89,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,852.14 : 155,732.13 = 65,104.26 : x
  2. Step 2: Convert to fraction form
    112,852.14/155,732.13 = 65,104.26/x
  3. Step 3: Cross multiply
    112,852.14x = 155,732.13 × 65,104.26
  4. Step 4: Simplify right side
    112,852.14x = 10,138,825,081.87
  5. Step 5: Solve for x
    x = 10,138,825,081.87/112,852.14
  6. Step 6: Final answer
    x = 89,841.67

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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.