Home / 286,036.48-394,802.90-195,429.06

Finding the Fourth Proportional to 286,036.48, 394,802.90 and 195,429.06

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Solution

The fourth proportional to 286,036.48, 394,802.90 and 195,429.06 is: 269,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036.48 : 394,802.90 = 195,429.06 : x
  2. Step 2: Convert to fraction form
    286,036.48/394,802.90 = 195,429.06/x
  3. Step 3: Cross multiply
    286,036.48x = 394,802.90 × 195,429.06
  4. Step 4: Simplify right side
    286,036.48x = 77,155,959,632.27
  5. Step 5: Solve for x
    x = 77,155,959,632.27/286,036.48
  6. Step 6: Final answer
    x = 269,741.68

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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.