Home / 126,516.20-174,603.47-69,938.51

Finding the Fourth Proportional to 126,516.20, 174,603.47 and 69,938.51

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Solution

The fourth proportional to 126,516.20, 174,603.47 and 69,938.51 is: 96,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.20 : 174,603.47 = 69,938.51 : x
  2. Step 2: Convert to fraction form
    126,516.20/174,603.47 = 69,938.51/x
  3. Step 3: Cross multiply
    126,516.20x = 174,603.47 × 69,938.51
  4. Step 4: Simplify right side
    126,516.20x = 12,211,505,309.92
  5. Step 5: Solve for x
    x = 12,211,505,309.92/126,516.20
  6. Step 6: Final answer
    x = 96,521.28

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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.