Home / 100,858.85-151,244.53-34,281.10

Finding the Fourth Proportional to 100,858.85, 151,244.53 and 34,281.10

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Solution

The fourth proportional to 100,858.85, 151,244.53 and 34,281.10 is: 51,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,858.85 : 151,244.53 = 34,281.10 : x
  2. Step 2: Convert to fraction form
    100,858.85/151,244.53 = 34,281.10/x
  3. Step 3: Cross multiply
    100,858.85x = 151,244.53 × 34,281.10
  4. Step 4: Simplify right side
    100,858.85x = 5,184,829,153.57
  5. Step 5: Solve for x
    x = 5,184,829,153.57/100,858.85
  6. Step 6: Final answer
    x = 51,406.79

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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.