Home / 209,430.56-314,052.66-59,636.86

Finding the Fourth Proportional to 209,430.56, 314,052.66 and 59,636.86

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Solution

The fourth proportional to 209,430.56, 314,052.66 and 59,636.86 is: 89,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,430.56 : 314,052.66 = 59,636.86 : x
  2. Step 2: Convert to fraction form
    209,430.56/314,052.66 = 59,636.86/x
  3. Step 3: Cross multiply
    209,430.56x = 314,052.66 × 59,636.86
  4. Step 4: Simplify right side
    209,430.56x = 18,729,113,731.92
  5. Step 5: Solve for x
    x = 18,729,113,731.92/209,430.56
  6. Step 6: Final answer
    x = 89,428.75

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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.