Home / 134,849.06-186,091.32-74,419.27

Finding the Fourth Proportional to 134,849.06, 186,091.32 and 74,419.27

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Solution

The fourth proportional to 134,849.06, 186,091.32 and 74,419.27 is: 102,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,849.06 : 186,091.32 = 74,419.27 : x
  2. Step 2: Convert to fraction form
    134,849.06/186,091.32 = 74,419.27/x
  3. Step 3: Cross multiply
    134,849.06x = 186,091.32 × 74,419.27
  4. Step 4: Simplify right side
    134,849.06x = 13,848,779,257.28
  5. Step 5: Solve for x
    x = 13,848,779,257.28/134,849.06
  6. Step 6: Final answer
    x = 102,698.37

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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.