Home / 126,809.88-174,997.58-70,221.24

Finding the Fourth Proportional to 126,809.88, 174,997.58 and 70,221.24

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Solution

The fourth proportional to 126,809.88, 174,997.58 and 70,221.24 is: 96,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.88 : 174,997.58 = 70,221.24 : x
  2. Step 2: Convert to fraction form
    126,809.88/174,997.58 = 70,221.24/x
  3. Step 3: Cross multiply
    126,809.88x = 174,997.58 × 70,221.24
  4. Step 4: Simplify right side
    126,809.88x = 12,288,547,064.60
  5. Step 5: Solve for x
    x = 12,288,547,064.60/126,809.88
  6. Step 6: Final answer
    x = 96,905.28

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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.