Home / 126,176.90-174,119.29-69,588.28

Finding the Fourth Proportional to 126,176.90, 174,119.29 and 69,588.28

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Solution

The fourth proportional to 126,176.90, 174,119.29 and 69,588.28 is: 96,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176.90 : 174,119.29 = 69,588.28 : x
  2. Step 2: Convert to fraction form
    126,176.90/174,119.29 = 69,588.28/x
  3. Step 3: Cross multiply
    126,176.90x = 174,119.29 × 69,588.28
  4. Step 4: Simplify right side
    126,176.90x = 12,116,661,905.92
  5. Step 5: Solve for x
    x = 12,116,661,905.92/126,176.90
  6. Step 6: Final answer
    x = 96,029.16

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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.