Home / 140,577.26-193,996.50-76,915.32

Finding the Fourth Proportional to 140,577.26, 193,996.50 and 76,915.32

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Solution

The fourth proportional to 140,577.26, 193,996.50 and 76,915.32 is: 106,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,577.26 : 193,996.50 = 76,915.32 : x
  2. Step 2: Convert to fraction form
    140,577.26/193,996.50 = 76,915.32/x
  3. Step 3: Cross multiply
    140,577.26x = 193,996.50 × 76,915.32
  4. Step 4: Simplify right side
    140,577.26x = 14,921,302,876.38
  5. Step 5: Solve for x
    x = 14,921,302,876.38/140,577.26
  6. Step 6: Final answer
    x = 106,143.08

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1.5x scale

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.