Home / 106,552.20-160,001.10-77,176.20

Finding the Fourth Proportional to 106,552.20, 160,001.10 and 77,176.20

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Solution

The fourth proportional to 106,552.20, 160,001.10 and 77,176.20 is: 115,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,552.20 : 160,001.10 = 77,176.20 : x
  2. Step 2: Convert to fraction form
    106,552.20/160,001.10 = 77,176.20/x
  3. Step 3: Cross multiply
    106,552.20x = 160,001.10 × 77,176.20
  4. Step 4: Simplify right side
    106,552.20x = 12,348,276,893.82
  5. Step 5: Solve for x
    x = 12,348,276,893.82/106,552.20
  6. Step 6: Final answer
    x = 115,889.46

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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.