Home / 121,308.03-167,520.56-114,681.42

Finding the Fourth Proportional to 121,308.03, 167,520.56 and 114,681.42

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Solution

The fourth proportional to 121,308.03, 167,520.56 and 114,681.42 is: 158,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,308.03 : 167,520.56 = 114,681.42 : x
  2. Step 2: Convert to fraction form
    121,308.03/167,520.56 = 114,681.42/x
  3. Step 3: Cross multiply
    121,308.03x = 167,520.56 × 114,681.42
  4. Step 4: Simplify right side
    121,308.03x = 19,211,495,126.59
  5. Step 5: Solve for x
    x = 19,211,495,126.59/121,308.03
  6. Step 6: Final answer
    x = 158,369.53

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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.