Home / 189,892.24-262,038.36-105,008.56

Finding the Fourth Proportional to 189,892.24, 262,038.36 and 105,008.56

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Solution

The fourth proportional to 189,892.24, 262,038.36 and 105,008.56 is: 144,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,892.24 : 262,038.36 = 105,008.56 : x
  2. Step 2: Convert to fraction form
    189,892.24/262,038.36 = 105,008.56/x
  3. Step 3: Cross multiply
    189,892.24x = 262,038.36 × 105,008.56
  4. Step 4: Simplify right side
    189,892.24x = 27,516,270,848.36
  5. Step 5: Solve for x
    x = 27,516,270,848.36/189,892.24
  6. Step 6: Final answer
    x = 144,904.66

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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.