Home / 117,280.08-176,075.76-113,236.56

Finding the Fourth Proportional to 117,280.08, 176,075.76 and 113,236.56

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Solution

The fourth proportional to 117,280.08, 176,075.76 and 113,236.56 is: 170,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,280.08 : 176,075.76 = 113,236.56 : x
  2. Step 2: Convert to fraction form
    117,280.08/176,075.76 = 113,236.56/x
  3. Step 3: Cross multiply
    117,280.08x = 176,075.76 × 113,236.56
  4. Step 4: Simplify right side
    117,280.08x = 19,938,213,361.79
  5. Step 5: Solve for x
    x = 19,938,213,361.79/117,280.08
  6. Step 6: Final answer
    x = 170,005.11

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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.