Home / 190,043.01-262,287.18-109,455.03

Finding the Fourth Proportional to 190,043.01, 262,287.18 and 109,455.03

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Solution

The fourth proportional to 190,043.01, 262,287.18 and 109,455.03 is: 151,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,043.01 : 262,287.18 = 109,455.03 : x
  2. Step 2: Convert to fraction form
    190,043.01/262,287.18 = 109,455.03/x
  3. Step 3: Cross multiply
    190,043.01x = 262,287.18 × 109,455.03
  4. Step 4: Simplify right side
    190,043.01x = 28,708,651,155.52
  5. Step 5: Solve for x
    x = 28,708,651,155.52/190,043.01
  6. Step 6: Final answer
    x = 151,063.97

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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.