Home / 186,270.65-257,046.33-105,693.36

Finding the Fourth Proportional to 186,270.65, 257,046.33 and 105,693.36

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Solution

The fourth proportional to 186,270.65, 257,046.33 and 105,693.36 is: 145,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,270.65 : 257,046.33 = 105,693.36 : x
  2. Step 2: Convert to fraction form
    186,270.65/257,046.33 = 105,693.36/x
  3. Step 3: Cross multiply
    186,270.65x = 257,046.33 × 105,693.36
  4. Step 4: Simplify right side
    186,270.65x = 27,168,090,293.37
  5. Step 5: Solve for x
    x = 27,168,090,293.37/186,270.65
  6. Step 6: Final answer
    x = 145,852.77

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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.