Home / 194,887.20-292,407.60-76,538.40

Finding the Fourth Proportional to 194,887.20, 292,407.60 and 76,538.40

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Solution

The fourth proportional to 194,887.20, 292,407.60 and 76,538.40 is: 114,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,887.20 : 292,407.60 = 76,538.40 : x
  2. Step 2: Convert to fraction form
    194,887.20/292,407.60 = 76,538.40/x
  3. Step 3: Cross multiply
    194,887.20x = 292,407.60 × 76,538.40
  4. Step 4: Simplify right side
    194,887.20x = 22,380,409,851.84
  5. Step 5: Solve for x
    x = 22,380,409,851.84/194,887.20
  6. Step 6: Final answer
    x = 114,837.76

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1.5x scale

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.