Home / 180,075.44-248,273.16-123,388.40

Finding the Fourth Proportional to 180,075.44, 248,273.16 and 123,388.40

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Solution

The fourth proportional to 180,075.44, 248,273.16 and 123,388.40 is: 170,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,075.44 : 248,273.16 = 123,388.40 : x
  2. Step 2: Convert to fraction form
    180,075.44/248,273.16 = 123,388.40/x
  3. Step 3: Cross multiply
    180,075.44x = 248,273.16 × 123,388.40
  4. Step 4: Simplify right side
    180,075.44x = 30,634,027,975.34
  5. Step 5: Solve for x
    x = 30,634,027,975.34/180,075.44
  6. Step 6: Final answer
    x = 170,117.75

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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.