Home / 343,128.52-473,536.20-190,163.50

Finding the Fourth Proportional to 343,128.52, 473,536.20 and 190,163.50

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Solution

The fourth proportional to 343,128.52, 473,536.20 and 190,163.50 is: 262,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,128.52 : 473,536.20 = 190,163.50 : x
  2. Step 2: Convert to fraction form
    343,128.52/473,536.20 = 190,163.50/x
  3. Step 3: Cross multiply
    343,128.52x = 473,536.20 × 190,163.50
  4. Step 4: Simplify right side
    343,128.52x = 90,049,301,168.70
  5. Step 5: Solve for x
    x = 90,049,301,168.70/343,128.52
  6. Step 6: Final answer
    x = 262,436.07

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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.