Home / 356,831.85-492,434.73-195,677.31

Finding the Fourth Proportional to 356,831.85, 492,434.73 and 195,677.31

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Solution

The fourth proportional to 356,831.85, 492,434.73 and 195,677.31 is: 270,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,831.85 : 492,434.73 = 195,677.31 : x
  2. Step 2: Convert to fraction form
    356,831.85/492,434.73 = 195,677.31/x
  3. Step 3: Cross multiply
    356,831.85x = 492,434.73 × 195,677.31
  4. Step 4: Simplify right side
    356,831.85x = 96,358,303,316.98
  5. Step 5: Solve for x
    x = 96,358,303,316.98/356,831.85
  6. Step 6: Final answer
    x = 270,038.40

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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.