Home / 147,575.96-203,653.86-83,913.75

Finding the Fourth Proportional to 147,575.96, 203,653.86 and 83,913.75

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Solution

The fourth proportional to 147,575.96, 203,653.86 and 83,913.75 is: 115,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,575.96 : 203,653.86 = 83,913.75 : x
  2. Step 2: Convert to fraction form
    147,575.96/203,653.86 = 83,913.75/x
  3. Step 3: Cross multiply
    147,575.96x = 203,653.86 × 83,913.75
  4. Step 4: Simplify right side
    147,575.96x = 17,089,359,094.58
  5. Step 5: Solve for x
    x = 17,089,359,094.58/147,575.96
  6. Step 6: Final answer
    x = 115,800.43

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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.