Home / 140,078.20-210,119.04-46,583.92

Finding the Fourth Proportional to 140,078.20, 210,119.04 and 46,583.92

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Solution

The fourth proportional to 140,078.20, 210,119.04 and 46,583.92 is: 69,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,078.20 : 210,119.04 = 46,583.92 : x
  2. Step 2: Convert to fraction form
    140,078.20/210,119.04 = 46,583.92/x
  3. Step 3: Cross multiply
    140,078.20x = 210,119.04 × 46,583.92
  4. Step 4: Simplify right side
    140,078.20x = 9,788,168,549.84
  5. Step 5: Solve for x
    x = 9,788,168,549.84/140,078.20
  6. Step 6: Final answer
    x = 69,876.46

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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.