Home / 126,721.51-174,630.63-96,458.89

Finding the Fourth Proportional to 126,721.51, 174,630.63 and 96,458.89

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Solution

The fourth proportional to 126,721.51, 174,630.63 and 96,458.89 is: 132,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,721.51 : 174,630.63 = 96,458.89 : x
  2. Step 2: Convert to fraction form
    126,721.51/174,630.63 = 96,458.89/x
  3. Step 3: Cross multiply
    126,721.51x = 174,630.63 × 96,458.89
  4. Step 4: Simplify right side
    126,721.51x = 16,844,676,729.80
  5. Step 5: Solve for x
    x = 16,844,676,729.80/126,721.51
  6. Step 6: Final answer
    x = 132,926.74

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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.