Home / 119,495.27-164,902.16-65,779.18

Finding the Fourth Proportional to 119,495.27, 164,902.16 and 65,779.18

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Solution

The fourth proportional to 119,495.27, 164,902.16 and 65,779.18 is: 90,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,495.27 : 164,902.16 = 65,779.18 : x
  2. Step 2: Convert to fraction form
    119,495.27/164,902.16 = 65,779.18/x
  3. Step 3: Cross multiply
    119,495.27x = 164,902.16 × 65,779.18
  4. Step 4: Simplify right side
    119,495.27x = 10,847,128,617.22
  5. Step 5: Solve for x
    x = 10,847,128,617.22/119,495.27
  6. Step 6: Final answer
    x = 90,774.54

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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.