Home / 189,886.24-262,030.08-105,002.56

Finding the Fourth Proportional to 189,886.24, 262,030.08 and 105,002.56

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Solution

The fourth proportional to 189,886.24, 262,030.08 and 105,002.56 is: 144,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,886.24 : 262,030.08 = 105,002.56 : x
  2. Step 2: Convert to fraction form
    189,886.24/262,030.08 = 105,002.56/x
  3. Step 3: Cross multiply
    189,886.24x = 262,030.08 × 105,002.56
  4. Step 4: Simplify right side
    189,886.24x = 27,513,829,197.00
  5. Step 5: Solve for x
    x = 27,513,829,197.00/189,886.24
  6. Step 6: Final answer
    x = 144,896.38

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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.