Home / 134,779.56-185,877.63-107,912.27

Finding the Fourth Proportional to 134,779.56, 185,877.63 and 107,912.27

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Solution

The fourth proportional to 134,779.56, 185,877.63 and 107,912.27 is: 148,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.56 : 185,877.63 = 107,912.27 : x
  2. Step 2: Convert to fraction form
    134,779.56/185,877.63 = 107,912.27/x
  3. Step 3: Cross multiply
    134,779.56x = 185,877.63 × 107,912.27
  4. Step 4: Simplify right side
    134,779.56x = 20,058,476,995.52
  5. Step 5: Solve for x
    x = 20,058,476,995.52/134,779.56
  6. Step 6: Final answer
    x = 148,824.32

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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.