Home / 218,075.40-327,120.36-60,305.16

Finding the Fourth Proportional to 218,075.40, 327,120.36 and 60,305.16

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Solution

The fourth proportional to 218,075.40, 327,120.36 and 60,305.16 is: 90,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,075.40 : 327,120.36 = 60,305.16 : x
  2. Step 2: Convert to fraction form
    218,075.40/327,120.36 = 60,305.16/x
  3. Step 3: Cross multiply
    218,075.40x = 327,120.36 × 60,305.16
  4. Step 4: Simplify right side
    218,075.40x = 19,727,045,649.06
  5. Step 5: Solve for x
    x = 19,727,045,649.06/218,075.40
  6. Step 6: Final answer
    x = 90,459.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.