Home / 189,964.32-262,036.52-125,434.14

Finding the Fourth Proportional to 189,964.32, 262,036.52 and 125,434.14

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Solution

The fourth proportional to 189,964.32, 262,036.52 and 125,434.14 is: 173,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,964.32 : 262,036.52 = 125,434.14 : x
  2. Step 2: Convert to fraction form
    189,964.32/262,036.52 = 125,434.14/x
  3. Step 3: Cross multiply
    189,964.32x = 262,036.52 × 125,434.14
  4. Step 4: Simplify right side
    189,964.32x = 32,868,325,534.79
  5. Step 5: Solve for x
    x = 32,868,325,534.79/189,964.32
  6. Step 6: Final answer
    x = 173,023.68

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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.