Home / 282,297.76-389,571.26-153,236.16

Finding the Fourth Proportional to 282,297.76, 389,571.26 and 153,236.16

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Solution

The fourth proportional to 282,297.76, 389,571.26 and 153,236.16 is: 211,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,297.76 : 389,571.26 = 153,236.16 : x
  2. Step 2: Convert to fraction form
    282,297.76/389,571.26 = 153,236.16/x
  3. Step 3: Cross multiply
    282,297.76x = 389,571.26 × 153,236.16
  4. Step 4: Simplify right side
    282,297.76x = 59,696,403,162.58
  5. Step 5: Solve for x
    x = 59,696,403,162.58/282,297.76
  6. Step 6: Final answer
    x = 211,466.09

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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.