Home / 149,426.16-206,210.52-82,358.64

Finding the Fourth Proportional to 149,426.16, 206,210.52 and 82,358.64

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Solution

The fourth proportional to 149,426.16, 206,210.52 and 82,358.64 is: 113,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,426.16 : 206,210.52 = 82,358.64 : x
  2. Step 2: Convert to fraction form
    149,426.16/206,210.52 = 82,358.64/x
  3. Step 3: Cross multiply
    149,426.16x = 206,210.52 × 82,358.64
  4. Step 4: Simplify right side
    149,426.16x = 16,983,217,980.89
  5. Step 5: Solve for x
    x = 16,983,217,980.89/149,426.16
  6. Step 6: Final answer
    x = 113,656.26

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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.