Home / 240,519.93-360,673.24-128,179.21

Finding the Fourth Proportional to 240,519.93, 360,673.24 and 128,179.21

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Solution

The fourth proportional to 240,519.93, 360,673.24 and 128,179.21 is: 192,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,519.93 : 360,673.24 = 128,179.21 : x
  2. Step 2: Convert to fraction form
    240,519.93/360,673.24 = 128,179.21/x
  3. Step 3: Cross multiply
    240,519.93x = 360,673.24 × 128,179.21
  4. Step 4: Simplify right side
    240,519.93x = 46,230,810,971.34
  5. Step 5: Solve for x
    x = 46,230,810,971.34/240,519.93
  6. Step 6: Final answer
    x = 192,211.98

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1.5x scale

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.