Home / 195,362.34-291,287.99-178,680.78

Finding the Fourth Proportional to 195,362.34, 291,287.99 and 178,680.78

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Solution

The fourth proportional to 195,362.34, 291,287.99 and 178,680.78 is: 266,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,362.34 : 291,287.99 = 178,680.78 : x
  2. Step 2: Convert to fraction form
    195,362.34/291,287.99 = 178,680.78/x
  3. Step 3: Cross multiply
    195,362.34x = 291,287.99 × 178,680.78
  4. Step 4: Simplify right side
    195,362.34x = 52,047,564,364.43
  5. Step 5: Solve for x
    x = 52,047,564,364.43/195,362.34
  6. Step 6: Final answer
    x = 266,415.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.