Home / 121,766.88-182,668.56-42,867.22

Finding the Fourth Proportional to 121,766.88, 182,668.56 and 42,867.22

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Solution

The fourth proportional to 121,766.88, 182,668.56 and 42,867.22 is: 64,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,766.88 : 182,668.56 = 42,867.22 : x
  2. Step 2: Convert to fraction form
    121,766.88/182,668.56 = 42,867.22/x
  3. Step 3: Cross multiply
    121,766.88x = 182,668.56 × 42,867.22
  4. Step 4: Simplify right side
    121,766.88x = 7,830,493,348.60
  5. Step 5: Solve for x
    x = 7,830,493,348.60/121,766.88
  6. Step 6: Final answer
    x = 64,307.25

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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.