Home / 118,105.04-162,884.67-99,797.84

Finding the Fourth Proportional to 118,105.04, 162,884.67 and 99,797.84

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Solution

The fourth proportional to 118,105.04, 162,884.67 and 99,797.84 is: 137,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,105.04 : 162,884.67 = 99,797.84 : x
  2. Step 2: Convert to fraction form
    118,105.04/162,884.67 = 99,797.84/x
  3. Step 3: Cross multiply
    118,105.04x = 162,884.67 × 99,797.84
  4. Step 4: Simplify right side
    118,105.04x = 16,255,537,420.69
  5. Step 5: Solve for x
    x = 16,255,537,420.69/118,105.04
  6. Step 6: Final answer
    x = 137,636.28

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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.