Home / 186,370.61-257,192.67-105,799.47

Finding the Fourth Proportional to 186,370.61, 257,192.67 and 105,799.47

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Solution

The fourth proportional to 186,370.61, 257,192.67 and 105,799.47 is: 146,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,370.61 : 257,192.67 = 105,799.47 : x
  2. Step 2: Convert to fraction form
    186,370.61/257,192.67 = 105,799.47/x
  3. Step 3: Cross multiply
    186,370.61x = 257,192.67 × 105,799.47
  4. Step 4: Simplify right side
    186,370.61x = 27,210,848,173.88
  5. Step 5: Solve for x
    x = 27,210,848,173.88/186,370.61
  6. Step 6: Final answer
    x = 146,003.97

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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.