Home / 356,830.35-492,432.66-195,675.81

Finding the Fourth Proportional to 356,830.35, 492,432.66 and 195,675.81

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Solution

The fourth proportional to 356,830.35, 492,432.66 and 195,675.81 is: 270,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,830.35 : 492,432.66 = 195,675.81 : x
  2. Step 2: Convert to fraction form
    356,830.35/492,432.66 = 195,675.81/x
  3. Step 3: Cross multiply
    356,830.35x = 492,432.66 × 195,675.81
  4. Step 4: Simplify right side
    356,830.35x = 96,357,159,615.95
  5. Step 5: Solve for x
    x = 96,357,159,615.95/356,830.35
  6. Step 6: Final answer
    x = 270,036.33

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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.