Home / 126,620.16-174,707.52-75,619.20

Finding the Fourth Proportional to 126,620.16, 174,707.52 and 75,619.20

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Solution

The fourth proportional to 126,620.16, 174,707.52 and 75,619.20 is: 104,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,620.16 : 174,707.52 = 75,619.20 : x
  2. Step 2: Convert to fraction form
    126,620.16/174,707.52 = 75,619.20/x
  3. Step 3: Cross multiply
    126,620.16x = 174,707.52 × 75,619.20
  4. Step 4: Simplify right side
    126,620.16x = 13,211,242,896.38
  5. Step 5: Solve for x
    x = 13,211,242,896.38/126,620.16
  6. Step 6: Final answer
    x = 104,337.59

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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.