Home / 189,465.30-261,462.07-104,582.34

Finding the Fourth Proportional to 189,465.30, 261,462.07 and 104,582.34

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Solution

The fourth proportional to 189,465.30, 261,462.07 and 104,582.34 is: 144,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,465.30 : 261,462.07 = 104,582.34 : x
  2. Step 2: Convert to fraction form
    189,465.30/261,462.07 = 104,582.34/x
  3. Step 3: Cross multiply
    189,465.30x = 261,462.07 × 104,582.34
  4. Step 4: Simplify right side
    189,465.30x = 27,344,315,101.84
  5. Step 5: Solve for x
    x = 27,344,315,101.84/189,465.30
  6. Step 6: Final answer
    x = 144,323.60

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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.