Home / 173,721.60-260,582.40-118,425.60

Finding the Fourth Proportional to 173,721.60, 260,582.40 and 118,425.60

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Solution

The fourth proportional to 173,721.60, 260,582.40 and 118,425.60 is: 177,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.60 : 260,582.40 = 118,425.60 : x
  2. Step 2: Convert to fraction form
    173,721.60/260,582.40 = 118,425.60/x
  3. Step 3: Cross multiply
    173,721.60x = 260,582.40 × 118,425.60
  4. Step 4: Simplify right side
    173,721.60x = 30,859,627,069.44
  5. Step 5: Solve for x
    x = 30,859,627,069.44/173,721.60
  6. Step 6: Final answer
    x = 177,638.40

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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.