Home / 173,278.10-260,014.35-73,421.30

Finding the Fourth Proportional to 173,278.10, 260,014.35 and 73,421.30

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Solution

The fourth proportional to 173,278.10, 260,014.35 and 73,421.30 is: 110,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,278.10 : 260,014.35 = 73,421.30 : x
  2. Step 2: Convert to fraction form
    173,278.10/260,014.35 = 73,421.30/x
  3. Step 3: Cross multiply
    173,278.10x = 260,014.35 × 73,421.30
  4. Step 4: Simplify right side
    173,278.10x = 19,090,591,595.66
  5. Step 5: Solve for x
    x = 19,090,591,595.66/173,278.10
  6. Step 6: Final answer
    x = 110,173.14

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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.