Home / 126,719.64-174,865.23-70,132.23

Finding the Fourth Proportional to 126,719.64, 174,865.23 and 70,132.23

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Solution

The fourth proportional to 126,719.64, 174,865.23 and 70,132.23 is: 96,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,719.64 : 174,865.23 = 70,132.23 : x
  2. Step 2: Convert to fraction form
    126,719.64/174,865.23 = 70,132.23/x
  3. Step 3: Cross multiply
    126,719.64x = 174,865.23 × 70,132.23
  4. Step 4: Simplify right side
    126,719.64x = 12,263,688,529.36
  5. Step 5: Solve for x
    x = 12,263,688,529.36/126,719.64
  6. Step 6: Final answer
    x = 96,778.12

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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.