Home / 194,680.12-292,022.52-76,407.16

Finding the Fourth Proportional to 194,680.12, 292,022.52 and 76,407.16

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Solution

The fourth proportional to 194,680.12, 292,022.52 and 76,407.16 is: 114,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.12 : 292,022.52 = 76,407.16 : x
  2. Step 2: Convert to fraction form
    194,680.12/292,022.52 = 76,407.16/x
  3. Step 3: Cross multiply
    194,680.12x = 292,022.52 × 76,407.16
  4. Step 4: Simplify right side
    194,680.12x = 22,312,611,409.24
  5. Step 5: Solve for x
    x = 22,312,611,409.24/194,680.12
  6. Step 6: Final answer
    x = 114,611.66

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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.