Home / 194,534.15-291,828.51-68,145.45

Finding the Fourth Proportional to 194,534.15, 291,828.51 and 68,145.45

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Solution

The fourth proportional to 194,534.15, 291,828.51 and 68,145.45 is: 102,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,534.15 : 291,828.51 = 68,145.45 : x
  2. Step 2: Convert to fraction form
    194,534.15/291,828.51 = 68,145.45/x
  3. Step 3: Cross multiply
    194,534.15x = 291,828.51 × 68,145.45
  4. Step 4: Simplify right side
    194,534.15x = 19,886,785,136.78
  5. Step 5: Solve for x
    x = 19,886,785,136.78/194,534.15
  6. Step 6: Final answer
    x = 102,227.74

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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.