Home / 190,885.36-263,495.28-127,199.92

Finding the Fourth Proportional to 190,885.36, 263,495.28 and 127,199.92

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Solution

The fourth proportional to 190,885.36, 263,495.28 and 127,199.92 is: 175,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,885.36 : 263,495.28 = 127,199.92 : x
  2. Step 2: Convert to fraction form
    190,885.36/263,495.28 = 127,199.92/x
  3. Step 3: Cross multiply
    190,885.36x = 263,495.28 × 127,199.92
  4. Step 4: Simplify right side
    190,885.36x = 33,516,578,536.38
  5. Step 5: Solve for x
    x = 33,516,578,536.38/190,885.36
  6. Step 6: Final answer
    x = 175,584.86

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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.