Home / 126,730.58-174,897.06-70,145.60

Finding the Fourth Proportional to 126,730.58, 174,897.06 and 70,145.60

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Solution

The fourth proportional to 126,730.58, 174,897.06 and 70,145.60 is: 96,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.58 : 174,897.06 = 70,145.60 : x
  2. Step 2: Convert to fraction form
    126,730.58/174,897.06 = 70,145.60/x
  3. Step 3: Cross multiply
    126,730.58x = 174,897.06 × 70,145.60
  4. Step 4: Simplify right side
    126,730.58x = 12,268,259,211.94
  5. Step 5: Solve for x
    x = 12,268,259,211.94/126,730.58
  6. Step 6: Final answer
    x = 96,805.83

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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.