Home / 194,784.20-292,176.30-70,080.20

Finding the Fourth Proportional to 194,784.20, 292,176.30 and 70,080.20

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Solution

The fourth proportional to 194,784.20, 292,176.30 and 70,080.20 is: 105,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,784.20 : 292,176.30 = 70,080.20 : x
  2. Step 2: Convert to fraction form
    194,784.20/292,176.30 = 70,080.20/x
  3. Step 3: Cross multiply
    194,784.20x = 292,176.30 × 70,080.20
  4. Step 4: Simplify right side
    194,784.20x = 20,475,773,539.26
  5. Step 5: Solve for x
    x = 20,475,773,539.26/194,784.20
  6. Step 6: Final answer
    x = 105,120.30

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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.