Home / 126,333.61-174,332.89-68,961.51

Finding the Fourth Proportional to 126,333.61, 174,332.89 and 68,961.51

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Solution

The fourth proportional to 126,333.61, 174,332.89 and 68,961.51 is: 95,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.61 : 174,332.89 = 68,961.51 : x
  2. Step 2: Convert to fraction form
    126,333.61/174,332.89 = 68,961.51/x
  3. Step 3: Cross multiply
    126,333.61x = 174,332.89 × 68,961.51
  4. Step 4: Simplify right side
    126,333.61x = 12,022,259,423.27
  5. Step 5: Solve for x
    x = 12,022,259,423.27/126,333.61
  6. Step 6: Final answer
    x = 95,162.80

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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.