Home / 186,518.26-257,386.44-105,935.32

Finding the Fourth Proportional to 186,518.26, 257,386.44 and 105,935.32

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Solution

The fourth proportional to 186,518.26, 257,386.44 and 105,935.32 is: 146,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,518.26 : 257,386.44 = 105,935.32 : x
  2. Step 2: Convert to fraction form
    186,518.26/257,386.44 = 105,935.32/x
  3. Step 3: Cross multiply
    186,518.26x = 257,386.44 × 105,935.32
  4. Step 4: Simplify right side
    186,518.26x = 27,266,314,885.06
  5. Step 5: Solve for x
    x = 27,266,314,885.06/186,518.26
  6. Step 6: Final answer
    x = 146,185.77

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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.