Home / 189,886.80-262,032.66-105,002.04

Finding the Fourth Proportional to 189,886.80, 262,032.66 and 105,002.04

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Solution

The fourth proportional to 189,886.80, 262,032.66 and 105,002.04 is: 144,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,886.80 : 262,032.66 = 105,002.04 : x
  2. Step 2: Convert to fraction form
    189,886.80/262,032.66 = 105,002.04/x
  3. Step 3: Cross multiply
    189,886.80x = 262,032.66 × 105,002.04
  4. Step 4: Simplify right side
    189,886.80x = 27,513,963,846.63
  5. Step 5: Solve for x
    x = 27,513,963,846.63/189,886.80
  6. Step 6: Final answer
    x = 144,896.66

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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.