Home / 111,880.10-154,315.95-73,627.46

Finding the Fourth Proportional to 111,880.10, 154,315.95 and 73,627.46

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Solution

The fourth proportional to 111,880.10, 154,315.95 and 73,627.46 is: 101,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,880.10 : 154,315.95 = 73,627.46 : x
  2. Step 2: Convert to fraction form
    111,880.10/154,315.95 = 73,627.46/x
  3. Step 3: Cross multiply
    111,880.10x = 154,315.95 × 73,627.46
  4. Step 4: Simplify right side
    111,880.10x = 11,361,891,435.99
  5. Step 5: Solve for x
    x = 11,361,891,435.99/111,880.10
  6. Step 6: Final answer
    x = 101,554.18

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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.