Home / 136,980.93-205,139.24-94,742.47

Finding the Fourth Proportional to 136,980.93, 205,139.24 and 94,742.47

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Solution

The fourth proportional to 136,980.93, 205,139.24 and 94,742.47 is: 141,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,980.93 : 205,139.24 = 94,742.47 : x
  2. Step 2: Convert to fraction form
    136,980.93/205,139.24 = 94,742.47/x
  3. Step 3: Cross multiply
    136,980.93x = 205,139.24 × 94,742.47
  4. Step 4: Simplify right side
    136,980.93x = 19,435,396,792.11
  5. Step 5: Solve for x
    x = 19,435,396,792.11/136,980.93
  6. Step 6: Final answer
    x = 141,883.96

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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.