Home / 173,600.10-260,515.35-98,720.10

Finding the Fourth Proportional to 173,600.10, 260,515.35 and 98,720.10

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Solution

The fourth proportional to 173,600.10, 260,515.35 and 98,720.10 is: 148,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,600.10 : 260,515.35 = 98,720.10 : x
  2. Step 2: Convert to fraction form
    173,600.10/260,515.35 = 98,720.10/x
  3. Step 3: Cross multiply
    173,600.10x = 260,515.35 × 98,720.10
  4. Step 4: Simplify right side
    173,600.10x = 25,718,101,403.54
  5. Step 5: Solve for x
    x = 25,718,101,403.54/173,600.10
  6. Step 6: Final answer
    x = 148,145.66

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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.