Home / 100,925.56-151,389.49-43,215.03

Finding the Fourth Proportional to 100,925.56, 151,389.49 and 43,215.03

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Solution

The fourth proportional to 100,925.56, 151,389.49 and 43,215.03 is: 64,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,925.56 : 151,389.49 = 43,215.03 : x
  2. Step 2: Convert to fraction form
    100,925.56/151,389.49 = 43,215.03/x
  3. Step 3: Cross multiply
    100,925.56x = 151,389.49 × 43,215.03
  4. Step 4: Simplify right side
    100,925.56x = 6,542,301,325.03
  5. Step 5: Solve for x
    x = 6,542,301,325.03/100,925.56
  6. Step 6: Final answer
    x = 64,823.04

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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.