Home / 186,651.48-257,569.74-106,068.36

Finding the Fourth Proportional to 186,651.48, 257,569.74 and 106,068.36

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Solution

The fourth proportional to 186,651.48, 257,569.74 and 106,068.36 is: 146,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,651.48 : 257,569.74 = 106,068.36 : x
  2. Step 2: Convert to fraction form
    186,651.48/257,569.74 = 106,068.36/x
  3. Step 3: Cross multiply
    186,651.48x = 257,569.74 × 106,068.36
  4. Step 4: Simplify right side
    186,651.48x = 27,319,999,907.43
  5. Step 5: Solve for x
    x = 27,319,999,907.43/186,651.48
  6. Step 6: Final answer
    x = 146,369.05

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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.