Home / 109,768.04-151,342.26-89,604.44

Finding the Fourth Proportional to 109,768.04, 151,342.26 and 89,604.44

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Solution

The fourth proportional to 109,768.04, 151,342.26 and 89,604.44 is: 123,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.04 : 151,342.26 = 89,604.44 : x
  2. Step 2: Convert to fraction form
    109,768.04/151,342.26 = 89,604.44/x
  3. Step 3: Cross multiply
    109,768.04x = 151,342.26 × 89,604.44
  4. Step 4: Simplify right side
    109,768.04x = 13,560,938,455.63
  5. Step 5: Solve for x
    x = 13,560,938,455.63/109,768.04
  6. Step 6: Final answer
    x = 123,541.77

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1.5x scale

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.