Home / 131,075.28-180,299.52-114,862.32

Finding the Fourth Proportional to 131,075.28, 180,299.52 and 114,862.32

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Solution

The fourth proportional to 131,075.28, 180,299.52 and 114,862.32 is: 157,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075.28 : 180,299.52 = 114,862.32 : x
  2. Step 2: Convert to fraction form
    131,075.28/180,299.52 = 114,862.32/x
  3. Step 3: Cross multiply
    131,075.28x = 180,299.52 × 114,862.32
  4. Step 4: Simplify right side
    131,075.28x = 20,709,621,162.09
  5. Step 5: Solve for x
    x = 20,709,621,162.09/131,075.28
  6. Step 6: Final answer
    x = 157,997.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.