Home / 148,973.39-205,587.33-80,994.94

Finding the Fourth Proportional to 148,973.39, 205,587.33 and 80,994.94

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Solution

The fourth proportional to 148,973.39, 205,587.33 and 80,994.94 is: 111,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,973.39 : 205,587.33 = 80,994.94 : x
  2. Step 2: Convert to fraction form
    148,973.39/205,587.33 = 80,994.94/x
  3. Step 3: Cross multiply
    148,973.39x = 205,587.33 × 80,994.94
  4. Step 4: Simplify right side
    148,973.39x = 16,651,533,458.11
  5. Step 5: Solve for x
    x = 16,651,533,458.11/148,973.39
  6. Step 6: Final answer
    x = 111,775.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.