Home / 199,708.02-275,530.68-131,758.74

Finding the Fourth Proportional to 199,708.02, 275,530.68 and 131,758.74

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Solution

The fourth proportional to 199,708.02, 275,530.68 and 131,758.74 is: 181,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,708.02 : 275,530.68 = 131,758.74 : x
  2. Step 2: Convert to fraction form
    199,708.02/275,530.68 = 131,758.74/x
  3. Step 3: Cross multiply
    199,708.02x = 275,530.68 × 131,758.74
  4. Step 4: Simplify right side
    199,708.02x = 36,303,575,228.14
  5. Step 5: Solve for x
    x = 36,303,575,228.14/199,708.02
  6. Step 6: Final answer
    x = 181,783.26

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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.