Home / 173,403.90-260,105.85-84,830.40

Finding the Fourth Proportional to 173,403.90, 260,105.85 and 84,830.40

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Solution

The fourth proportional to 173,403.90, 260,105.85 and 84,830.40 is: 127,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.90 : 260,105.85 = 84,830.40 : x
  2. Step 2: Convert to fraction form
    173,403.90/260,105.85 = 84,830.40/x
  3. Step 3: Cross multiply
    173,403.90x = 260,105.85 × 84,830.40
  4. Step 4: Simplify right side
    173,403.90x = 22,064,883,297.84
  5. Step 5: Solve for x
    x = 22,064,883,297.84/173,403.90
  6. Step 6: Final answer
    x = 127,245.60

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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.