Home / 109,816.16-151,490.64-73,519.04

Finding the Fourth Proportional to 109,816.16, 151,490.64 and 73,519.04

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Solution

The fourth proportional to 109,816.16, 151,490.64 and 73,519.04 is: 101,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.16 : 151,490.64 = 73,519.04 : x
  2. Step 2: Convert to fraction form
    109,816.16/151,490.64 = 73,519.04/x
  3. Step 3: Cross multiply
    109,816.16x = 151,490.64 × 73,519.04
  4. Step 4: Simplify right side
    109,816.16x = 11,137,446,421.79
  5. Step 5: Solve for x
    x = 11,137,446,421.79/109,816.16
  6. Step 6: Final answer
    x = 101,419.01

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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.