Home / 154,939.80-232,431.30-66,192.60

Finding the Fourth Proportional to 154,939.80, 232,431.30 and 66,192.60

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Solution

The fourth proportional to 154,939.80, 232,431.30 and 66,192.60 is: 99,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,939.80 : 232,431.30 = 66,192.60 : x
  2. Step 2: Convert to fraction form
    154,939.80/232,431.30 = 66,192.60/x
  3. Step 3: Cross multiply
    154,939.80x = 232,431.30 × 66,192.60
  4. Step 4: Simplify right side
    154,939.80x = 15,385,232,068.38
  5. Step 5: Solve for x
    x = 15,385,232,068.38/154,939.80
  6. Step 6: Final answer
    x = 99,298.13

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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.