Home / 126,734.64-174,886.56-70,142.64

Finding the Fourth Proportional to 126,734.64, 174,886.56 and 70,142.64

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Solution

The fourth proportional to 126,734.64, 174,886.56 and 70,142.64 is: 96,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.64 : 174,886.56 = 70,142.64 : x
  2. Step 2: Convert to fraction form
    126,734.64/174,886.56 = 70,142.64/x
  3. Step 3: Cross multiply
    126,734.64x = 174,886.56 × 70,142.64
  4. Step 4: Simplify right side
    126,734.64x = 12,267,005,018.92
  5. Step 5: Solve for x
    x = 12,267,005,018.92/126,734.64
  6. Step 6: Final answer
    x = 96,792.83

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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.