Home / 151,453.08-208,995.84-83,466.24

Finding the Fourth Proportional to 151,453.08, 208,995.84 and 83,466.24

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Solution

The fourth proportional to 151,453.08, 208,995.84 and 83,466.24 is: 115,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,453.08 : 208,995.84 = 83,466.24 : x
  2. Step 2: Convert to fraction form
    151,453.08/208,995.84 = 83,466.24/x
  3. Step 3: Cross multiply
    151,453.08x = 208,995.84 × 83,466.24
  4. Step 4: Simplify right side
    151,453.08x = 17,444,096,940.44
  5. Step 5: Solve for x
    x = 17,444,096,940.44/151,453.08
  6. Step 6: Final answer
    x = 115,178.23

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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.