Home / 189,935.23-262,117.47-105,052.90

Finding the Fourth Proportional to 189,935.23, 262,117.47 and 105,052.90

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Solution

The fourth proportional to 189,935.23, 262,117.47 and 105,052.90 is: 144,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935.23 : 262,117.47 = 105,052.90 : x
  2. Step 2: Convert to fraction form
    189,935.23/262,117.47 = 105,052.90/x
  3. Step 3: Cross multiply
    189,935.23x = 262,117.47 × 105,052.90
  4. Step 4: Simplify right side
    189,935.23x = 27,536,200,364.16
  5. Step 5: Solve for x
    x = 27,536,200,364.16/189,935.23
  6. Step 6: Final answer
    x = 144,976.79

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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.