Home / 108,961.08-150,381-61,226.16

Finding the Fourth Proportional to 108,961.08, 150,381 and 61,226.16

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Solution

The fourth proportional to 108,961.08, 150,381 and 61,226.16 is: 84,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.08 : 150,381 = 61,226.16 : x
  2. Step 2: Convert to fraction form
    108,961.08/150,381 = 61,226.16/x
  3. Step 3: Cross multiply
    108,961.08x = 150,381 × 61,226.16
  4. Step 4: Simplify right side
    108,961.08x = 9,207,251,166.96
  5. Step 5: Solve for x
    x = 9,207,251,166.96/108,961.08
  6. Step 6: Final answer
    x = 84,500.37

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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.