Home / 186,131.26-279,090.96-127,038.52

Finding the Fourth Proportional to 186,131.26, 279,090.96 and 127,038.52

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Solution

The fourth proportional to 186,131.26, 279,090.96 and 127,038.52 is: 190,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,131.26 : 279,090.96 = 127,038.52 : x
  2. Step 2: Convert to fraction form
    186,131.26/279,090.96 = 127,038.52/x
  3. Step 3: Cross multiply
    186,131.26x = 279,090.96 × 127,038.52
  4. Step 4: Simplify right side
    186,131.26x = 35,455,302,503.78
  5. Step 5: Solve for x
    x = 35,455,302,503.78/186,131.26
  6. Step 6: Final answer
    x = 190,485.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.