Home / 118,226.40-177,339.60-103,464.15

Finding the Fourth Proportional to 118,226.40, 177,339.60 and 103,464.15

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Solution

The fourth proportional to 118,226.40, 177,339.60 and 103,464.15 is: 155,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.40 : 177,339.60 = 103,464.15 : x
  2. Step 2: Convert to fraction form
    118,226.40/177,339.60 = 103,464.15/x
  3. Step 3: Cross multiply
    118,226.40x = 177,339.60 × 103,464.15
  4. Step 4: Simplify right side
    118,226.40x = 18,348,290,975.34
  5. Step 5: Solve for x
    x = 18,348,290,975.34/118,226.40
  6. Step 6: Final answer
    x = 155,196.23

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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.