Home / 170,567.32-255,643.44-120,661.80

Finding the Fourth Proportional to 170,567.32, 255,643.44 and 120,661.80

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Solution

The fourth proportional to 170,567.32, 255,643.44 and 120,661.80 is: 180,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,567.32 : 255,643.44 = 120,661.80 : x
  2. Step 2: Convert to fraction form
    170,567.32/255,643.44 = 120,661.80/x
  3. Step 3: Cross multiply
    170,567.32x = 255,643.44 × 120,661.80
  4. Step 4: Simplify right side
    170,567.32x = 30,846,398,334.16
  5. Step 5: Solve for x
    x = 30,846,398,334.16/170,567.32
  6. Step 6: Final answer
    x = 180,845.89

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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.