Home / 154,776.72-232,181.80-66,039.60

Finding the Fourth Proportional to 154,776.72, 232,181.80 and 66,039.60

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Solution

The fourth proportional to 154,776.72, 232,181.80 and 66,039.60 is: 99,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,776.72 : 232,181.80 = 66,039.60 : x
  2. Step 2: Convert to fraction form
    154,776.72/232,181.80 = 66,039.60/x
  3. Step 3: Cross multiply
    154,776.72x = 232,181.80 × 66,039.60
  4. Step 4: Simplify right side
    154,776.72x = 15,333,193,199.28
  5. Step 5: Solve for x
    x = 15,333,193,199.28/154,776.72
  6. Step 6: Final answer
    x = 99,066.53

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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.