Home / 371,108.07-556,828.18-213,336.52

Finding the Fourth Proportional to 371,108.07, 556,828.18 and 213,336.52

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Solution

The fourth proportional to 371,108.07, 556,828.18 and 213,336.52 is: 320,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,108.07 : 556,828.18 = 213,336.52 : x
  2. Step 2: Convert to fraction form
    371,108.07/556,828.18 = 213,336.52/x
  3. Step 3: Cross multiply
    371,108.07x = 556,828.18 × 213,336.52
  4. Step 4: Simplify right side
    371,108.07x = 118,791,784,233.72
  5. Step 5: Solve for x
    x = 118,791,784,233.72/371,108.07
  6. Step 6: Final answer
    x = 320,100.25

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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.