Home / 186,724.83-257,679.06-106,152.38

Finding the Fourth Proportional to 186,724.83, 257,679.06 and 106,152.38

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Solution

The fourth proportional to 186,724.83, 257,679.06 and 106,152.38 is: 146,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.83 : 257,679.06 = 106,152.38 : x
  2. Step 2: Convert to fraction form
    186,724.83/257,679.06 = 106,152.38/x
  3. Step 3: Cross multiply
    186,724.83x = 257,679.06 × 106,152.38
  4. Step 4: Simplify right side
    186,724.83x = 27,353,244,774.99
  5. Step 5: Solve for x
    x = 27,353,244,774.99/186,724.83
  6. Step 6: Final answer
    x = 146,489.59

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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.