Home / 127,729.80-191,594.70-48,846.60

Finding the Fourth Proportional to 127,729.80, 191,594.70 and 48,846.60

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Solution

The fourth proportional to 127,729.80, 191,594.70 and 48,846.60 is: 73,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.80 : 191,594.70 = 48,846.60 : x
  2. Step 2: Convert to fraction form
    127,729.80/191,594.70 = 48,846.60/x
  3. Step 3: Cross multiply
    127,729.80x = 191,594.70 × 48,846.60
  4. Step 4: Simplify right side
    127,729.80x = 9,358,749,673.02
  5. Step 5: Solve for x
    x = 9,358,749,673.02/127,729.80
  6. Step 6: Final answer
    x = 73,269.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.