Home / 126,864.54-175,072.59-70,274.70

Finding the Fourth Proportional to 126,864.54, 175,072.59 and 70,274.70

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Solution

The fourth proportional to 126,864.54, 175,072.59 and 70,274.70 is: 96,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.54 : 175,072.59 = 70,274.70 : x
  2. Step 2: Convert to fraction form
    126,864.54/175,072.59 = 70,274.70/x
  3. Step 3: Cross multiply
    126,864.54x = 175,072.59 × 70,274.70
  4. Step 4: Simplify right side
    126,864.54x = 12,303,173,740.47
  5. Step 5: Solve for x
    x = 12,303,173,740.47/126,864.54
  6. Step 6: Final answer
    x = 96,978.82

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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.