Home / 216,801.45-325,090.14-95,172.21

Finding the Fourth Proportional to 216,801.45, 325,090.14 and 95,172.21

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Solution

The fourth proportional to 216,801.45, 325,090.14 and 95,172.21 is: 142,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,801.45 : 325,090.14 = 95,172.21 : x
  2. Step 2: Convert to fraction form
    216,801.45/325,090.14 = 95,172.21/x
  3. Step 3: Cross multiply
    216,801.45x = 325,090.14 × 95,172.21
  4. Step 4: Simplify right side
    216,801.45x = 30,939,547,073.01
  5. Step 5: Solve for x
    x = 30,939,547,073.01/216,801.45
  6. Step 6: Final answer
    x = 142,709.13

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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.