Home / 145,765.04-218,647.80-40,583.96

Finding the Fourth Proportional to 145,765.04, 218,647.80 and 40,583.96

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Solution

The fourth proportional to 145,765.04, 218,647.80 and 40,583.96 is: 60,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,765.04 : 218,647.80 = 40,583.96 : x
  2. Step 2: Convert to fraction form
    145,765.04/218,647.80 = 40,583.96/x
  3. Step 3: Cross multiply
    145,765.04x = 218,647.80 × 40,583.96
  4. Step 4: Simplify right side
    145,765.04x = 8,873,593,569.29
  5. Step 5: Solve for x
    x = 8,873,593,569.29/145,765.04
  6. Step 6: Final answer
    x = 60,876.01

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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.