Home / 118,265.46-163,181.36-75,229.28

Finding the Fourth Proportional to 118,265.46, 163,181.36 and 75,229.28

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Solution

The fourth proportional to 118,265.46, 163,181.36 and 75,229.28 is: 103,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,265.46 : 163,181.36 = 75,229.28 : x
  2. Step 2: Convert to fraction form
    118,265.46/163,181.36 = 75,229.28/x
  3. Step 3: Cross multiply
    118,265.46x = 163,181.36 × 75,229.28
  4. Step 4: Simplify right side
    118,265.46x = 12,276,016,222.22
  5. Step 5: Solve for x
    x = 12,276,016,222.22/118,265.46
  6. Step 6: Final answer
    x = 103,800.52

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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.