Home / 154,935.12-232,471.44-66,244.80

Finding the Fourth Proportional to 154,935.12, 232,471.44 and 66,244.80

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Solution

The fourth proportional to 154,935.12, 232,471.44 and 66,244.80 is: 99,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,935.12 : 232,471.44 = 66,244.80 : x
  2. Step 2: Convert to fraction form
    154,935.12/232,471.44 = 66,244.80/x
  3. Step 3: Cross multiply
    154,935.12x = 232,471.44 × 66,244.80
  4. Step 4: Simplify right side
    154,935.12x = 15,400,024,048.51
  5. Step 5: Solve for x
    x = 15,400,024,048.51/154,935.12
  6. Step 6: Final answer
    x = 99,396.60

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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.