Home / 216,201.75-298,272.51-144,468.15

Finding the Fourth Proportional to 216,201.75, 298,272.51 and 144,468.15

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Solution

The fourth proportional to 216,201.75, 298,272.51 and 144,468.15 is: 199,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,201.75 : 298,272.51 = 144,468.15 : x
  2. Step 2: Convert to fraction form
    216,201.75/298,272.51 = 144,468.15/x
  3. Step 3: Cross multiply
    216,201.75x = 298,272.51 × 144,468.15
  4. Step 4: Simplify right side
    216,201.75x = 43,090,877,715.56
  5. Step 5: Solve for x
    x = 43,090,877,715.56/216,201.75
  6. Step 6: Final answer
    x = 199,308.64

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1.5x scale

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.