Home / 126,806.18-174,990.39-70,216.34

Finding the Fourth Proportional to 126,806.18, 174,990.39 and 70,216.34

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Solution

The fourth proportional to 126,806.18, 174,990.39 and 70,216.34 is: 96,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.18 : 174,990.39 = 70,216.34 : x
  2. Step 2: Convert to fraction form
    126,806.18/174,990.39 = 70,216.34/x
  3. Step 3: Cross multiply
    126,806.18x = 174,990.39 × 70,216.34
  4. Step 4: Simplify right side
    126,806.18x = 12,287,184,720.97
  5. Step 5: Solve for x
    x = 12,287,184,720.97/126,806.18
  6. Step 6: Final answer
    x = 96,897.37

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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.