Home / 219,468.70-329,312.40-124,771.60

Finding the Fourth Proportional to 219,468.70, 329,312.40 and 124,771.60

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Solution

The fourth proportional to 219,468.70, 329,312.40 and 124,771.60 is: 187,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,468.70 : 329,312.40 = 124,771.60 : x
  2. Step 2: Convert to fraction form
    219,468.70/329,312.40 = 124,771.60/x
  3. Step 3: Cross multiply
    219,468.70x = 329,312.40 × 124,771.60
  4. Step 4: Simplify right side
    219,468.70x = 41,088,835,047.84
  5. Step 5: Solve for x
    x = 41,088,835,047.84/219,468.70
  6. Step 6: Final answer
    x = 187,219.57

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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.