Home / 115,926.20-173,889.30-74,454.20

Finding the Fourth Proportional to 115,926.20, 173,889.30 and 74,454.20

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Solution

The fourth proportional to 115,926.20, 173,889.30 and 74,454.20 is: 111,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.20 : 173,889.30 = 74,454.20 : x
  2. Step 2: Convert to fraction form
    115,926.20/173,889.30 = 74,454.20/x
  3. Step 3: Cross multiply
    115,926.20x = 173,889.30 × 74,454.20
  4. Step 4: Simplify right side
    115,926.20x = 12,946,788,720.06
  5. Step 5: Solve for x
    x = 12,946,788,720.06/115,926.20
  6. Step 6: Final answer
    x = 111,681.30

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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.