Home / 173,890.10-260,847.30-68,695.40

Finding the Fourth Proportional to 173,890.10, 260,847.30 and 68,695.40

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Solution

The fourth proportional to 173,890.10, 260,847.30 and 68,695.40 is: 103,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.10 : 260,847.30 = 68,695.40 : x
  2. Step 2: Convert to fraction form
    173,890.10/260,847.30 = 68,695.40/x
  3. Step 3: Cross multiply
    173,890.10x = 260,847.30 × 68,695.40
  4. Step 4: Simplify right side
    173,890.10x = 17,919,009,612.42
  5. Step 5: Solve for x
    x = 17,919,009,612.42/173,890.10
  6. Step 6: Final answer
    x = 103,047.90

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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.