Home / 126,312.48-174,367.94-83,317.32

Finding the Fourth Proportional to 126,312.48, 174,367.94 and 83,317.32

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Solution

The fourth proportional to 126,312.48, 174,367.94 and 83,317.32 is: 115,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.48 : 174,367.94 = 83,317.32 : x
  2. Step 2: Convert to fraction form
    126,312.48/174,367.94 = 83,317.32/x
  3. Step 3: Cross multiply
    126,312.48x = 174,367.94 × 83,317.32
  4. Step 4: Simplify right side
    126,312.48x = 14,527,869,454.72
  5. Step 5: Solve for x
    x = 14,527,869,454.72/126,312.48
  6. Step 6: Final answer
    x = 115,015.31

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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.