Home / 100,880.02-151,321.25-34,321.51

Finding the Fourth Proportional to 100,880.02, 151,321.25 and 34,321.51

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Solution

The fourth proportional to 100,880.02, 151,321.25 and 34,321.51 is: 51,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,880.02 : 151,321.25 = 34,321.51 : x
  2. Step 2: Convert to fraction form
    100,880.02/151,321.25 = 34,321.51/x
  3. Step 3: Cross multiply
    100,880.02x = 151,321.25 × 34,321.51
  4. Step 4: Simplify right side
    100,880.02x = 5,193,573,795.09
  5. Step 5: Solve for x
    x = 5,193,573,795.09/100,880.02
  6. Step 6: Final answer
    x = 51,482.68

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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.