Home / 116,654.18-175,070.55-90,293.54

Finding the Fourth Proportional to 116,654.18, 175,070.55 and 90,293.54

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Solution

The fourth proportional to 116,654.18, 175,070.55 and 90,293.54 is: 135,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,654.18 : 175,070.55 = 90,293.54 : x
  2. Step 2: Convert to fraction form
    116,654.18/175,070.55 = 90,293.54/x
  3. Step 3: Cross multiply
    116,654.18x = 175,070.55 × 90,293.54
  4. Step 4: Simplify right side
    116,654.18x = 15,807,739,709.25
  5. Step 5: Solve for x
    x = 15,807,739,709.25/116,654.18
  6. Step 6: Final answer
    x = 135,509.42

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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.