Home / 173,515.20-260,661.60-166,430.40

Finding the Fourth Proportional to 173,515.20, 260,661.60 and 166,430.40

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Solution

The fourth proportional to 173,515.20, 260,661.60 and 166,430.40 is: 250,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,515.20 : 260,661.60 = 166,430.40 : x
  2. Step 2: Convert to fraction form
    173,515.20/260,661.60 = 166,430.40/x
  3. Step 3: Cross multiply
    173,515.20x = 260,661.60 × 166,430.40
  4. Step 4: Simplify right side
    173,515.20x = 43,382,014,352.64
  5. Step 5: Solve for x
    x = 43,382,014,352.64/173,515.20
  6. Step 6: Final answer
    x = 250,018.52

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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.