Home / 186,237.05-257,012.91-105,667.97

Finding the Fourth Proportional to 186,237.05, 257,012.91 and 105,667.97

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Solution

The fourth proportional to 186,237.05, 257,012.91 and 105,667.97 is: 145,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,237.05 : 257,012.91 = 105,667.97 : x
  2. Step 2: Convert to fraction form
    186,237.05/257,012.91 = 105,667.97/x
  3. Step 3: Cross multiply
    186,237.05x = 257,012.91 × 105,667.97
  4. Step 4: Simplify right side
    186,237.05x = 27,158,031,178.43
  5. Step 5: Solve for x
    x = 27,158,031,178.43/186,237.05
  6. Step 6: Final answer
    x = 145,825.08

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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.