Home / 201,268.40-277,776.66-129,856.16

Finding the Fourth Proportional to 201,268.40, 277,776.66 and 129,856.16

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Solution

The fourth proportional to 201,268.40, 277,776.66 and 129,856.16 is: 179,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,268.40 : 277,776.66 = 129,856.16 : x
  2. Step 2: Convert to fraction form
    201,268.40/277,776.66 = 129,856.16/x
  3. Step 3: Cross multiply
    201,268.40x = 277,776.66 × 129,856.16
  4. Step 4: Simplify right side
    201,268.40x = 36,071,009,016.34
  5. Step 5: Solve for x
    x = 36,071,009,016.34/201,268.40
  6. Step 6: Final answer
    x = 179,218.45

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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.