Home / 108,899.16-150,269.64-61,152.12

Finding the Fourth Proportional to 108,899.16, 150,269.64 and 61,152.12

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Solution

The fourth proportional to 108,899.16, 150,269.64 and 61,152.12 is: 84,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.16 : 150,269.64 = 61,152.12 : x
  2. Step 2: Convert to fraction form
    108,899.16/150,269.64 = 61,152.12/x
  3. Step 3: Cross multiply
    108,899.16x = 150,269.64 × 61,152.12
  4. Step 4: Simplify right side
    108,899.16x = 9,189,307,057.64
  5. Step 5: Solve for x
    x = 9,189,307,057.64/108,899.16
  6. Step 6: Final answer
    x = 84,383.64

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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.