Home / 194,865.80-292,298.70-54,648.20

Finding the Fourth Proportional to 194,865.80, 292,298.70 and 54,648.20

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Solution

The fourth proportional to 194,865.80, 292,298.70 and 54,648.20 is: 81,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,865.80 : 292,298.70 = 54,648.20 : x
  2. Step 2: Convert to fraction form
    194,865.80/292,298.70 = 54,648.20/x
  3. Step 3: Cross multiply
    194,865.80x = 292,298.70 × 54,648.20
  4. Step 4: Simplify right side
    194,865.80x = 15,973,597,817.34
  5. Step 5: Solve for x
    x = 15,973,597,817.34/194,865.80
  6. Step 6: Final answer
    x = 81,972.30

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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.