Home / 126,220.89-174,182.01-69,632.25

Finding the Fourth Proportional to 126,220.89, 174,182.01 and 69,632.25

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Solution

The fourth proportional to 126,220.89, 174,182.01 and 69,632.25 is: 96,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220.89 : 174,182.01 = 69,632.25 : x
  2. Step 2: Convert to fraction form
    126,220.89/174,182.01 = 69,632.25/x
  3. Step 3: Cross multiply
    126,220.89x = 174,182.01 × 69,632.25
  4. Step 4: Simplify right side
    126,220.89x = 12,128,685,265.82
  5. Step 5: Solve for x
    x = 12,128,685,265.82/126,220.89
  6. Step 6: Final answer
    x = 96,090.95

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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.