Home / 309,184.34-463,172.51-213,104.48

Finding the Fourth Proportional to 309,184.34, 463,172.51 and 213,104.48

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Solution

The fourth proportional to 309,184.34, 463,172.51 and 213,104.48 is: 319,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,184.34 : 463,172.51 = 213,104.48 : x
  2. Step 2: Convert to fraction form
    309,184.34/463,172.51 = 213,104.48/x
  3. Step 3: Cross multiply
    309,184.34x = 463,172.51 × 213,104.48
  4. Step 4: Simplify right side
    309,184.34x = 98,704,133,512.46
  5. Step 5: Solve for x
    x = 98,704,133,512.46/309,184.34
  6. Step 6: Final answer
    x = 319,240.41

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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.