Home / 149,453.06-206,302.80-109,484.27

Finding the Fourth Proportional to 149,453.06, 206,302.80 and 109,484.27

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Solution

The fourth proportional to 149,453.06, 206,302.80 and 109,484.27 is: 151,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,453.06 : 206,302.80 = 109,484.27 : x
  2. Step 2: Convert to fraction form
    149,453.06/206,302.80 = 109,484.27/x
  3. Step 3: Cross multiply
    149,453.06x = 206,302.80 × 109,484.27
  4. Step 4: Simplify right side
    149,453.06x = 22,586,911,456.96
  5. Step 5: Solve for x
    x = 22,586,911,456.96/149,453.06
  6. Step 6: Final answer
    x = 151,130.47

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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.