Home / 148,454.33-222,730.36-98,730.05

Finding the Fourth Proportional to 148,454.33, 222,730.36 and 98,730.05

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Solution

The fourth proportional to 148,454.33, 222,730.36 and 98,730.05 is: 148,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,454.33 : 222,730.36 = 98,730.05 : x
  2. Step 2: Convert to fraction form
    148,454.33/222,730.36 = 98,730.05/x
  3. Step 3: Cross multiply
    148,454.33x = 222,730.36 × 98,730.05
  4. Step 4: Simplify right side
    148,454.33x = 21,990,178,218.84
  5. Step 5: Solve for x
    x = 21,990,178,218.84/148,454.33
  6. Step 6: Final answer
    x = 148,127.57

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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.