Home / 189,032.72-260,873.96-112,534.48

Finding the Fourth Proportional to 189,032.72, 260,873.96 and 112,534.48

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Solution

The fourth proportional to 189,032.72, 260,873.96 and 112,534.48 is: 155,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,032.72 : 260,873.96 = 112,534.48 : x
  2. Step 2: Convert to fraction form
    189,032.72/260,873.96 = 112,534.48/x
  3. Step 3: Cross multiply
    189,032.72x = 260,873.96 × 112,534.48
  4. Step 4: Simplify right side
    189,032.72x = 29,357,315,434.14
  5. Step 5: Solve for x
    x = 29,357,315,434.14/189,032.72
  6. Step 6: Final answer
    x = 155,302.83

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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.