Home / 209,511.60-314,270.36-59,751.92

Finding the Fourth Proportional to 209,511.60, 314,270.36 and 59,751.92

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Solution

The fourth proportional to 209,511.60, 314,270.36 and 59,751.92 is: 89,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,511.60 : 314,270.36 = 59,751.92 : x
  2. Step 2: Convert to fraction form
    209,511.60/314,270.36 = 59,751.92/x
  3. Step 3: Cross multiply
    209,511.60x = 314,270.36 × 59,751.92
  4. Step 4: Simplify right side
    209,511.60x = 18,778,257,409.09
  5. Step 5: Solve for x
    x = 18,778,257,409.09/209,511.60
  6. Step 6: Final answer
    x = 89,628.72

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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.