Home / 151,779.40-209,454.44-83,796.36

Finding the Fourth Proportional to 151,779.40, 209,454.44 and 83,796.36

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Solution

The fourth proportional to 151,779.40, 209,454.44 and 83,796.36 is: 115,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,779.40 : 209,454.44 = 83,796.36 : x
  2. Step 2: Convert to fraction form
    151,779.40/209,454.44 = 83,796.36/x
  3. Step 3: Cross multiply
    151,779.40x = 209,454.44 × 83,796.36
  4. Step 4: Simplify right side
    151,779.40x = 17,551,519,657.84
  5. Step 5: Solve for x
    x = 17,551,519,657.84/151,779.40
  6. Step 6: Final answer
    x = 115,638.35

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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.