Home / 173,629.10-260,443.65-55,312.40

Finding the Fourth Proportional to 173,629.10, 260,443.65 and 55,312.40

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Solution

The fourth proportional to 173,629.10, 260,443.65 and 55,312.40 is: 82,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,629.10 : 260,443.65 = 55,312.40 : x
  2. Step 2: Convert to fraction form
    173,629.10/260,443.65 = 55,312.40/x
  3. Step 3: Cross multiply
    173,629.10x = 260,443.65 × 55,312.40
  4. Step 4: Simplify right side
    173,629.10x = 14,405,763,346.26
  5. Step 5: Solve for x
    x = 14,405,763,346.26/173,629.10
  6. Step 6: Final answer
    x = 82,968.60

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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.