Home / 118,196.20-177,731.70-98,950.60

Finding the Fourth Proportional to 118,196.20, 177,731.70 and 98,950.60

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Solution

The fourth proportional to 118,196.20, 177,731.70 and 98,950.60 is: 148,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,196.20 : 177,731.70 = 98,950.60 : x
  2. Step 2: Convert to fraction form
    118,196.20/177,731.70 = 98,950.60/x
  3. Step 3: Cross multiply
    118,196.20x = 177,731.70 × 98,950.60
  4. Step 4: Simplify right side
    118,196.20x = 17,586,658,354.02
  5. Step 5: Solve for x
    x = 17,586,658,354.02/118,196.20
  6. Step 6: Final answer
    x = 148,792.08

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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.