Home / 173,829.90-260,720.55-55,513.20

Finding the Fourth Proportional to 173,829.90, 260,720.55 and 55,513.20

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Solution

The fourth proportional to 173,829.90, 260,720.55 and 55,513.20 is: 83,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.90 : 260,720.55 = 55,513.20 : x
  2. Step 2: Convert to fraction form
    173,829.90/260,720.55 = 55,513.20/x
  3. Step 3: Cross multiply
    173,829.90x = 260,720.55 × 55,513.20
  4. Step 4: Simplify right side
    173,829.90x = 14,473,432,036.26
  5. Step 5: Solve for x
    x = 14,473,432,036.26/173,829.90
  6. Step 6: Final answer
    x = 83,262.04

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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.