Home / 118,561.12-177,980.52-93,617.96

Finding the Fourth Proportional to 118,561.12, 177,980.52 and 93,617.96

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Solution

The fourth proportional to 118,561.12, 177,980.52 and 93,617.96 is: 140,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,561.12 : 177,980.52 = 93,617.96 : x
  2. Step 2: Convert to fraction form
    118,561.12/177,980.52 = 93,617.96/x
  3. Step 3: Cross multiply
    118,561.12x = 177,980.52 × 93,617.96
  4. Step 4: Simplify right side
    118,561.12x = 16,662,173,202.14
  5. Step 5: Solve for x
    x = 16,662,173,202.14/118,561.12
  6. Step 6: Final answer
    x = 140,536.57

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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.