Home / 97,570.40-146,180.64-92,321.60

Finding the Fourth Proportional to 97,570.40, 146,180.64 and 92,321.60

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Solution

The fourth proportional to 97,570.40, 146,180.64 and 92,321.60 is: 138,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,570.40 : 146,180.64 = 92,321.60 : x
  2. Step 2: Convert to fraction form
    97,570.40/146,180.64 = 92,321.60/x
  3. Step 3: Cross multiply
    97,570.40x = 146,180.64 × 92,321.60
  4. Step 4: Simplify right side
    97,570.40x = 13,495,630,573.82
  5. Step 5: Solve for x
    x = 13,495,630,573.82/97,570.40
  6. Step 6: Final answer
    x = 138,316.85

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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.