Home / 118,563.40-177,647.63-83,429.24

Finding the Fourth Proportional to 118,563.40, 177,647.63 and 83,429.24

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Solution

The fourth proportional to 118,563.40, 177,647.63 and 83,429.24 is: 125,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,563.40 : 177,647.63 = 83,429.24 : x
  2. Step 2: Convert to fraction form
    118,563.40/177,647.63 = 83,429.24/x
  3. Step 3: Cross multiply
    118,563.40x = 177,647.63 × 83,429.24
  4. Step 4: Simplify right side
    118,563.40x = 14,821,006,758.70
  5. Step 5: Solve for x
    x = 14,821,006,758.70/118,563.40
  6. Step 6: Final answer
    x = 125,004.91

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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.