Home / 188,448.10-260,080.50-111,967.83

Finding the Fourth Proportional to 188,448.10, 260,080.50 and 111,967.83

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Solution

The fourth proportional to 188,448.10, 260,080.50 and 111,967.83 is: 154,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,448.10 : 260,080.50 = 111,967.83 : x
  2. Step 2: Convert to fraction form
    188,448.10/260,080.50 = 111,967.83/x
  3. Step 3: Cross multiply
    188,448.10x = 260,080.50 × 111,967.83
  4. Step 4: Simplify right side
    188,448.10x = 29,120,649,210.32
  5. Step 5: Solve for x
    x = 29,120,649,210.32/188,448.10
  6. Step 6: Final answer
    x = 154,528.75

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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.