Home / 126,701.53-174,820.20-75,706.63

Finding the Fourth Proportional to 126,701.53, 174,820.20 and 75,706.63

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Solution

The fourth proportional to 126,701.53, 174,820.20 and 75,706.63 is: 104,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701.53 : 174,820.20 = 75,706.63 : x
  2. Step 2: Convert to fraction form
    126,701.53/174,820.20 = 75,706.63/x
  3. Step 3: Cross multiply
    126,701.53x = 174,820.20 × 75,706.63
  4. Step 4: Simplify right side
    126,701.53x = 13,235,048,197.93
  5. Step 5: Solve for x
    x = 13,235,048,197.93/126,701.53
  6. Step 6: Final answer
    x = 104,458.47

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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.