Home / 106,722.21-160,077.51-54,130.32

Finding the Fourth Proportional to 106,722.21, 160,077.51 and 54,130.32

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Solution

The fourth proportional to 106,722.21, 160,077.51 and 54,130.32 is: 81,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,722.21 : 160,077.51 = 54,130.32 : x
  2. Step 2: Convert to fraction form
    106,722.21/160,077.51 = 54,130.32/x
  3. Step 3: Cross multiply
    106,722.21x = 160,077.51 × 54,130.32
  4. Step 4: Simplify right side
    106,722.21x = 8,665,046,841.10
  5. Step 5: Solve for x
    x = 8,665,046,841.10/106,722.21
  6. Step 6: Final answer
    x = 81,192.54

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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.