Home / 186,429.04-279,532.96-74,048.80

Finding the Fourth Proportional to 186,429.04, 279,532.96 and 74,048.80

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Solution

The fourth proportional to 186,429.04, 279,532.96 and 74,048.80 is: 111,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,429.04 : 279,532.96 = 74,048.80 : x
  2. Step 2: Convert to fraction form
    186,429.04/279,532.96 = 74,048.80/x
  3. Step 3: Cross multiply
    186,429.04x = 279,532.96 × 74,048.80
  4. Step 4: Simplify right side
    186,429.04x = 20,699,080,248.45
  5. Step 5: Solve for x
    x = 20,699,080,248.45/186,429.04
  6. Step 6: Final answer
    x = 111,029.27

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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.