Home / 173,461.03-260,418.15-139,285.06

Finding the Fourth Proportional to 173,461.03, 260,418.15 and 139,285.06

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Solution

The fourth proportional to 173,461.03, 260,418.15 and 139,285.06 is: 209,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,461.03 : 260,418.15 = 139,285.06 : x
  2. Step 2: Convert to fraction form
    173,461.03/260,418.15 = 139,285.06/x
  3. Step 3: Cross multiply
    173,461.03x = 260,418.15 × 139,285.06
  4. Step 4: Simplify right side
    173,461.03x = 36,272,356,996.79
  5. Step 5: Solve for x
    x = 36,272,356,996.79/173,461.03
  6. Step 6: Final answer
    x = 209,109.54

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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.