Home / 136,834.91-205,317.35-94,779.71

Finding the Fourth Proportional to 136,834.91, 205,317.35 and 94,779.71

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Solution

The fourth proportional to 136,834.91, 205,317.35 and 94,779.71 is: 142,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,834.91 : 205,317.35 = 94,779.71 : x
  2. Step 2: Convert to fraction form
    136,834.91/205,317.35 = 94,779.71/x
  3. Step 3: Cross multiply
    136,834.91x = 205,317.35 × 94,779.71
  4. Step 4: Simplify right side
    136,834.91x = 19,459,917,390.48
  5. Step 5: Solve for x
    x = 19,459,917,390.48/136,834.91
  6. Step 6: Final answer
    x = 142,214.57

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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.