Home / 356,528.53-492,009.37-195,387.30

Finding the Fourth Proportional to 356,528.53, 492,009.37 and 195,387.30

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Solution

The fourth proportional to 356,528.53, 492,009.37 and 195,387.30 is: 269,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,528.53 : 492,009.37 = 195,387.30 : x
  2. Step 2: Convert to fraction form
    356,528.53/492,009.37 = 195,387.30/x
  3. Step 3: Cross multiply
    356,528.53x = 492,009.37 × 195,387.30
  4. Step 4: Simplify right side
    356,528.53x = 96,132,382,379.00
  5. Step 5: Solve for x
    x = 96,132,382,379.00/356,528.53
  6. Step 6: Final answer
    x = 269,634.47

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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.