Home / 126,803.86-174,989.30-70,215.24

Finding the Fourth Proportional to 126,803.86, 174,989.30 and 70,215.24

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Solution

The fourth proportional to 126,803.86, 174,989.30 and 70,215.24 is: 96,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.86 : 174,989.30 = 70,215.24 : x
  2. Step 2: Convert to fraction form
    126,803.86/174,989.30 = 70,215.24/x
  3. Step 3: Cross multiply
    126,803.86x = 174,989.30 × 70,215.24
  4. Step 4: Simplify right side
    126,803.86x = 12,286,915,696.93
  5. Step 5: Solve for x
    x = 12,286,915,696.93/126,803.86
  6. Step 6: Final answer
    x = 96,897.02

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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.