Home / 189,964.06-284,946.42-77,644.18

Finding the Fourth Proportional to 189,964.06, 284,946.42 and 77,644.18

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Solution

The fourth proportional to 189,964.06, 284,946.42 and 77,644.18 is: 116,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,964.06 : 284,946.42 = 77,644.18 : x
  2. Step 2: Convert to fraction form
    189,964.06/284,946.42 = 77,644.18/x
  3. Step 3: Cross multiply
    189,964.06x = 284,946.42 × 77,644.18
  4. Step 4: Simplify right side
    189,964.06x = 22,124,431,124.84
  5. Step 5: Solve for x
    x = 22,124,431,124.84/189,964.06
  6. Step 6: Final answer
    x = 116,466.40

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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.