Home / 121,706.07-182,400.06-88,085.31

Finding the Fourth Proportional to 121,706.07, 182,400.06 and 88,085.31

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Solution

The fourth proportional to 121,706.07, 182,400.06 and 88,085.31 is: 132,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,706.07 : 182,400.06 = 88,085.31 : x
  2. Step 2: Convert to fraction form
    121,706.07/182,400.06 = 88,085.31/x
  3. Step 3: Cross multiply
    121,706.07x = 182,400.06 × 88,085.31
  4. Step 4: Simplify right side
    121,706.07x = 16,066,765,829.12
  5. Step 5: Solve for x
    x = 16,066,765,829.12/121,706.07
  6. Step 6: Final answer
    x = 132,012.86

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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.