Home / 205,680.47-308,559.27-93,368.53

Finding the Fourth Proportional to 205,680.47, 308,559.27 and 93,368.53

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Solution

The fourth proportional to 205,680.47, 308,559.27 and 93,368.53 is: 140,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,680.47 : 308,559.27 = 93,368.53 : x
  2. Step 2: Convert to fraction form
    205,680.47/308,559.27 = 93,368.53/x
  3. Step 3: Cross multiply
    205,680.47x = 308,559.27 × 93,368.53
  4. Step 4: Simplify right side
    205,680.47x = 28,809,726,193.60
  5. Step 5: Solve for x
    x = 28,809,726,193.60/205,680.47
  6. Step 6: Final answer
    x = 140,070.31

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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.