Home / 194,558.40-291,838.68-54,318.24

Finding the Fourth Proportional to 194,558.40, 291,838.68 and 54,318.24

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Solution

The fourth proportional to 194,558.40, 291,838.68 and 54,318.24 is: 81,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,558.40 : 291,838.68 = 54,318.24 : x
  2. Step 2: Convert to fraction form
    194,558.40/291,838.68 = 54,318.24/x
  3. Step 3: Cross multiply
    194,558.40x = 291,838.68 × 54,318.24
  4. Step 4: Simplify right side
    194,558.40x = 15,852,163,461.52
  5. Step 5: Solve for x
    x = 15,852,163,461.52/194,558.40
  6. Step 6: Final answer
    x = 81,477.66

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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.