Home / 117,863.90-162,655.66-64,152.39

Finding the Fourth Proportional to 117,863.90, 162,655.66 and 64,152.39

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Solution

The fourth proportional to 117,863.90, 162,655.66 and 64,152.39 is: 88,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,863.90 : 162,655.66 = 64,152.39 : x
  2. Step 2: Convert to fraction form
    117,863.90/162,655.66 = 64,152.39/x
  3. Step 3: Cross multiply
    117,863.90x = 162,655.66 × 64,152.39
  4. Step 4: Simplify right side
    117,863.90x = 10,434,749,336.03
  5. Step 5: Solve for x
    x = 10,434,749,336.03/117,863.90
  6. Step 6: Final answer
    x = 88,532.19

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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.