Home / 356,535.16-492,010.68-195,386.80

Finding the Fourth Proportional to 356,535.16, 492,010.68 and 195,386.80

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Solution

The fourth proportional to 356,535.16, 492,010.68 and 195,386.80 is: 269,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,535.16 : 492,010.68 = 195,386.80 : x
  2. Step 2: Convert to fraction form
    356,535.16/492,010.68 = 195,386.80/x
  3. Step 3: Cross multiply
    356,535.16x = 492,010.68 × 195,386.80
  4. Step 4: Simplify right side
    356,535.16x = 96,132,392,331.02
  5. Step 5: Solve for x
    x = 96,132,392,331.02/356,535.16
  6. Step 6: Final answer
    x = 269,629.49

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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.