Home / 126,101.05-174,017.06-68,740.90

Finding the Fourth Proportional to 126,101.05, 174,017.06 and 68,740.90

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Solution

The fourth proportional to 126,101.05, 174,017.06 and 68,740.90 is: 94,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,101.05 : 174,017.06 = 68,740.90 : x
  2. Step 2: Convert to fraction form
    126,101.05/174,017.06 = 68,740.90/x
  3. Step 3: Cross multiply
    126,101.05x = 174,017.06 × 68,740.90
  4. Step 4: Simplify right side
    126,101.05x = 11,962,089,056.56
  5. Step 5: Solve for x
    x = 11,962,089,056.56/126,101.05
  6. Step 6: Final answer
    x = 94,861.14

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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.