Home / 189,784.96-261,883.20-104,888.32

Finding the Fourth Proportional to 189,784.96, 261,883.20 and 104,888.32

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Solution

The fourth proportional to 189,784.96, 261,883.20 and 104,888.32 is: 144,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,784.96 : 261,883.20 = 104,888.32 : x
  2. Step 2: Convert to fraction form
    189,784.96/261,883.20 = 104,888.32/x
  3. Step 3: Cross multiply
    189,784.96x = 261,883.20 × 104,888.32
  4. Step 4: Simplify right side
    189,784.96x = 27,468,488,884.22
  5. Step 5: Solve for x
    x = 27,468,488,884.22/189,784.96
  6. Step 6: Final answer
    x = 144,734.80

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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.