Home / 115,683.36-173,211.99-75,602.49

Finding the Fourth Proportional to 115,683.36, 173,211.99 and 75,602.49

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Solution

The fourth proportional to 115,683.36, 173,211.99 and 75,602.49 is: 113,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,683.36 : 173,211.99 = 75,602.49 : x
  2. Step 2: Convert to fraction form
    115,683.36/173,211.99 = 75,602.49/x
  3. Step 3: Cross multiply
    115,683.36x = 173,211.99 × 75,602.49
  4. Step 4: Simplify right side
    115,683.36x = 13,095,257,741.86
  5. Step 5: Solve for x
    x = 13,095,257,741.86/115,683.36
  6. Step 6: Final answer
    x = 113,199.15

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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.