Home / 190,038.51-262,211.49-113,546.12

Finding the Fourth Proportional to 190,038.51, 262,211.49 and 113,546.12

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Solution

The fourth proportional to 190,038.51, 262,211.49 and 113,546.12 is: 156,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,038.51 : 262,211.49 = 113,546.12 : x
  2. Step 2: Convert to fraction form
    190,038.51/262,211.49 = 113,546.12/x
  3. Step 3: Cross multiply
    190,038.51x = 262,211.49 × 113,546.12
  4. Step 4: Simplify right side
    190,038.51x = 29,773,095,997.86
  5. Step 5: Solve for x
    x = 29,773,095,997.86/190,038.51
  6. Step 6: Final answer
    x = 156,668.75

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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.