Home / 130,924.23-180,692.30-79,926.27

Finding the Fourth Proportional to 130,924.23, 180,692.30 and 79,926.27

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Solution

The fourth proportional to 130,924.23, 180,692.30 and 79,926.27 is: 110,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,924.23 : 180,692.30 = 79,926.27 : x
  2. Step 2: Convert to fraction form
    130,924.23/180,692.30 = 79,926.27/x
  3. Step 3: Cross multiply
    130,924.23x = 180,692.30 × 79,926.27
  4. Step 4: Simplify right side
    130,924.23x = 14,442,061,157.09
  5. Step 5: Solve for x
    x = 14,442,061,157.09/130,924.23
  6. Step 6: Final answer
    x = 110,308.54

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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.