Home / 194,406.30-291,690-93,153.06

Finding the Fourth Proportional to 194,406.30, 291,690 and 93,153.06

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Solution

The fourth proportional to 194,406.30, 291,690 and 93,153.06 is: 139,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,406.30 : 291,690 = 93,153.06 : x
  2. Step 2: Convert to fraction form
    194,406.30/291,690 = 93,153.06/x
  3. Step 3: Cross multiply
    194,406.30x = 291,690 × 93,153.06
  4. Step 4: Simplify right side
    194,406.30x = 27,171,816,071.40
  5. Step 5: Solve for x
    x = 27,171,816,071.40/194,406.30
  6. Step 6: Final answer
    x = 139,768.19

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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.