Home / 200,386.06-276,554.40-127,791.32

Finding the Fourth Proportional to 200,386.06, 276,554.40 and 127,791.32

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Solution

The fourth proportional to 200,386.06, 276,554.40 and 127,791.32 is: 176,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,386.06 : 276,554.40 = 127,791.32 : x
  2. Step 2: Convert to fraction form
    200,386.06/276,554.40 = 127,791.32/x
  3. Step 3: Cross multiply
    200,386.06x = 276,554.40 × 127,791.32
  4. Step 4: Simplify right side
    200,386.06x = 35,341,251,827.81
  5. Step 5: Solve for x
    x = 35,341,251,827.81/200,386.06
  6. Step 6: Final answer
    x = 176,365.82

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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.