Home / 126,190.16-174,141.60-69,600.32

Finding the Fourth Proportional to 126,190.16, 174,141.60 and 69,600.32

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Solution

The fourth proportional to 126,190.16, 174,141.60 and 69,600.32 is: 96,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.16 : 174,141.60 = 69,600.32 : x
  2. Step 2: Convert to fraction form
    126,190.16/174,141.60 = 69,600.32/x
  3. Step 3: Cross multiply
    126,190.16x = 174,141.60 × 69,600.32
  4. Step 4: Simplify right side
    126,190.16x = 12,120,311,085.31
  5. Step 5: Solve for x
    x = 12,120,311,085.31/126,190.16
  6. Step 6: Final answer
    x = 96,047.99

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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.