Home / 343,320.82-473,831.78-190,393.02

Finding the Fourth Proportional to 343,320.82, 473,831.78 and 190,393.02

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Solution

The fourth proportional to 343,320.82, 473,831.78 and 190,393.02 is: 262,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,320.82 : 473,831.78 = 190,393.02 : x
  2. Step 2: Convert to fraction form
    343,320.82/473,831.78 = 190,393.02/x
  3. Step 3: Cross multiply
    343,320.82x = 473,831.78 × 190,393.02
  4. Step 4: Simplify right side
    343,320.82x = 90,214,263,566.18
  5. Step 5: Solve for x
    x = 90,214,263,566.18/343,320.82
  6. Step 6: Final answer
    x = 262,769.57

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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.