Home / 186,556.40-279,752.04-53,406.32

Finding the Fourth Proportional to 186,556.40, 279,752.04 and 53,406.32

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Solution

The fourth proportional to 186,556.40, 279,752.04 and 53,406.32 is: 80,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,556.40 : 279,752.04 = 53,406.32 : x
  2. Step 2: Convert to fraction form
    186,556.40/279,752.04 = 53,406.32/x
  3. Step 3: Cross multiply
    186,556.40x = 279,752.04 × 53,406.32
  4. Step 4: Simplify right side
    186,556.40x = 14,940,526,968.89
  5. Step 5: Solve for x
    x = 14,940,526,968.89/186,556.40
  6. Step 6: Final answer
    x = 80,085.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.