Home / 146,109.76-201,633.12-82,448.32

Finding the Fourth Proportional to 146,109.76, 201,633.12 and 82,448.32

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Solution

The fourth proportional to 146,109.76, 201,633.12 and 82,448.32 is: 113,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,109.76 : 201,633.12 = 82,448.32 : x
  2. Step 2: Convert to fraction form
    146,109.76/201,633.12 = 82,448.32/x
  3. Step 3: Cross multiply
    146,109.76x = 201,633.12 × 82,448.32
  4. Step 4: Simplify right side
    146,109.76x = 16,624,312,000.36
  5. Step 5: Solve for x
    x = 16,624,312,000.36/146,109.76
  6. Step 6: Final answer
    x = 113,779.61

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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.