Home / 200,228.32-276,287.79-119,638.81

Finding the Fourth Proportional to 200,228.32, 276,287.79 and 119,638.81

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Solution

The fourth proportional to 200,228.32, 276,287.79 and 119,638.81 is: 165,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,228.32 : 276,287.79 = 119,638.81 : x
  2. Step 2: Convert to fraction form
    200,228.32/276,287.79 = 119,638.81/x
  3. Step 3: Cross multiply
    200,228.32x = 276,287.79 × 119,638.81
  4. Step 4: Simplify right side
    200,228.32x = 33,054,742,413.13
  5. Step 5: Solve for x
    x = 33,054,742,413.13/200,228.32
  6. Step 6: Final answer
    x = 165,085.25

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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.