Home / 173,216.16-259,781.76-66,578.40

Finding the Fourth Proportional to 173,216.16, 259,781.76 and 66,578.40

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Solution

The fourth proportional to 173,216.16, 259,781.76 and 66,578.40 is: 99,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,216.16 : 259,781.76 = 66,578.40 : x
  2. Step 2: Convert to fraction form
    173,216.16/259,781.76 = 66,578.40/x
  3. Step 3: Cross multiply
    173,216.16x = 259,781.76 × 66,578.40
  4. Step 4: Simplify right side
    173,216.16x = 17,295,853,929.98
  5. Step 5: Solve for x
    x = 17,295,853,929.98/173,216.16
  6. Step 6: Final answer
    x = 99,851.27

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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.