Home / 100,861.27-151,292.72-34,316.53

Finding the Fourth Proportional to 100,861.27, 151,292.72 and 34,316.53

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Solution

The fourth proportional to 100,861.27, 151,292.72 and 34,316.53 is: 51,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.27 : 151,292.72 = 34,316.53 : x
  2. Step 2: Convert to fraction form
    100,861.27/151,292.72 = 34,316.53/x
  3. Step 3: Cross multiply
    100,861.27x = 151,292.72 × 34,316.53
  4. Step 4: Simplify right side
    100,861.27x = 5,191,841,164.66
  5. Step 5: Solve for x
    x = 5,191,841,164.66/100,861.27
  6. Step 6: Final answer
    x = 51,475.07

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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.