Home / 190,664-286,075.32-83,993.36

Finding the Fourth Proportional to 190,664, 286,075.32 and 83,993.36

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Solution

The fourth proportional to 190,664, 286,075.32 and 83,993.36 is: 126,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,664 : 286,075.32 = 83,993.36 : x
  2. Step 2: Convert to fraction form
    190,664/286,075.32 = 83,993.36/x
  3. Step 3: Cross multiply
    190,664x = 286,075.32 × 83,993.36
  4. Step 4: Simplify right side
    190,664x = 24,028,427,339.88
  5. Step 5: Solve for x
    x = 24,028,427,339.88/190,664
  6. Step 6: Final answer
    x = 126,024.98

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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.