Home / 199,719.88-275,486.88-151,868.32

Finding the Fourth Proportional to 199,719.88, 275,486.88 and 151,868.32

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Solution

The fourth proportional to 199,719.88, 275,486.88 and 151,868.32 is: 209,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,719.88 : 275,486.88 = 151,868.32 : x
  2. Step 2: Convert to fraction form
    199,719.88/275,486.88 = 151,868.32/x
  3. Step 3: Cross multiply
    199,719.88x = 275,486.88 × 151,868.32
  4. Step 4: Simplify right side
    199,719.88x = 41,837,729,647.64
  5. Step 5: Solve for x
    x = 41,837,729,647.64/199,719.88
  6. Step 6: Final answer
    x = 209,482.05

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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.