Home / 168,087.10-252,130.65-79,513.60

Finding the Fourth Proportional to 168,087.10, 252,130.65 and 79,513.60

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Solution

The fourth proportional to 168,087.10, 252,130.65 and 79,513.60 is: 119,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,087.10 : 252,130.65 = 79,513.60 : x
  2. Step 2: Convert to fraction form
    168,087.10/252,130.65 = 79,513.60/x
  3. Step 3: Cross multiply
    168,087.10x = 252,130.65 × 79,513.60
  4. Step 4: Simplify right side
    168,087.10x = 20,047,815,651.84
  5. Step 5: Solve for x
    x = 20,047,815,651.84/168,087.10
  6. Step 6: Final answer
    x = 119,270.40

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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.