Home / 356,918.51-492,561.33-195,780.35

Finding the Fourth Proportional to 356,918.51, 492,561.33 and 195,780.35

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Solution

The fourth proportional to 356,918.51, 492,561.33 and 195,780.35 is: 270,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,918.51 : 492,561.33 = 195,780.35 : x
  2. Step 2: Convert to fraction form
    356,918.51/492,561.33 = 195,780.35/x
  3. Step 3: Cross multiply
    356,918.51x = 492,561.33 × 195,780.35
  4. Step 4: Simplify right side
    356,918.51x = 96,433,829,583.87
  5. Step 5: Solve for x
    x = 96,433,829,583.87/356,918.51
  6. Step 6: Final answer
    x = 270,184.45

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1.5x scale

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.