Home / 186,566.40-279,767.04-53,416.32

Finding the Fourth Proportional to 186,566.40, 279,767.04 and 53,416.32

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Solution

The fourth proportional to 186,566.40, 279,767.04 and 53,416.32 is: 80,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,566.40 : 279,767.04 = 53,416.32 : x
  2. Step 2: Convert to fraction form
    186,566.40/279,767.04 = 53,416.32/x
  3. Step 3: Cross multiply
    186,566.40x = 279,767.04 × 53,416.32
  4. Step 4: Simplify right side
    186,566.40x = 14,944,125,734.09
  5. Step 5: Solve for x
    x = 14,944,125,734.09/186,566.40
  6. Step 6: Final answer
    x = 80,100.84

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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.