Home / 173,085.40-259,433.70-73,228.60

Finding the Fourth Proportional to 173,085.40, 259,433.70 and 73,228.60

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Solution

The fourth proportional to 173,085.40, 259,433.70 and 73,228.60 is: 109,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,085.40 : 259,433.70 = 73,228.60 : x
  2. Step 2: Convert to fraction form
    173,085.40/259,433.70 = 73,228.60/x
  3. Step 3: Cross multiply
    173,085.40x = 259,433.70 × 73,228.60
  4. Step 4: Simplify right side
    173,085.40x = 18,997,966,643.82
  5. Step 5: Solve for x
    x = 18,997,966,643.82/173,085.40
  6. Step 6: Final answer
    x = 109,760.65

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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.