Home / 148,829.22-205,239.69-113,020.74

Finding the Fourth Proportional to 148,829.22, 205,239.69 and 113,020.74

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Solution

The fourth proportional to 148,829.22, 205,239.69 and 113,020.74 is: 155,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,829.22 : 205,239.69 = 113,020.74 : x
  2. Step 2: Convert to fraction form
    148,829.22/205,239.69 = 113,020.74/x
  3. Step 3: Cross multiply
    148,829.22x = 205,239.69 × 113,020.74
  4. Step 4: Simplify right side
    148,829.22x = 23,196,341,641.17
  5. Step 5: Solve for x
    x = 23,196,341,641.17/148,829.22
  6. Step 6: Final answer
    x = 155,858.79

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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.