Home / 126,108.62-174,021.17-70,926.21

Finding the Fourth Proportional to 126,108.62, 174,021.17 and 70,926.21

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Solution

The fourth proportional to 126,108.62, 174,021.17 and 70,926.21 is: 97,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.62 : 174,021.17 = 70,926.21 : x
  2. Step 2: Convert to fraction form
    126,108.62/174,021.17 = 70,926.21/x
  3. Step 3: Cross multiply
    126,108.62x = 174,021.17 × 70,926.21
  4. Step 4: Simplify right side
    126,108.62x = 12,342,662,047.87
  5. Step 5: Solve for x
    x = 12,342,662,047.87/126,108.62
  6. Step 6: Final answer
    x = 97,873.26

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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.