Home / 188,928.78-283,430.54-53,994.06

Finding the Fourth Proportional to 188,928.78, 283,430.54 and 53,994.06

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Solution

The fourth proportional to 188,928.78, 283,430.54 and 53,994.06 is: 81,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928.78 : 283,430.54 = 53,994.06 : x
  2. Step 2: Convert to fraction form
    188,928.78/283,430.54 = 53,994.06/x
  3. Step 3: Cross multiply
    188,928.78x = 283,430.54 × 53,994.06
  4. Step 4: Simplify right side
    188,928.78x = 15,303,565,582.59
  5. Step 5: Solve for x
    x = 15,303,565,582.59/188,928.78
  6. Step 6: Final answer
    x = 81,001.77

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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.