Home / 189,935.73-262,118.16-105,053.40

Finding the Fourth Proportional to 189,935.73, 262,118.16 and 105,053.40

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Solution

The fourth proportional to 189,935.73, 262,118.16 and 105,053.40 is: 144,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935.73 : 262,118.16 = 105,053.40 : x
  2. Step 2: Convert to fraction form
    189,935.73/262,118.16 = 105,053.40/x
  3. Step 3: Cross multiply
    189,935.73x = 262,118.16 × 105,053.40
  4. Step 4: Simplify right side
    189,935.73x = 27,536,403,909.74
  5. Step 5: Solve for x
    x = 27,536,403,909.74/189,935.73
  6. Step 6: Final answer
    x = 144,977.48

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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.