Home / 120,857.48-166,810.02-67,160.96

Finding the Fourth Proportional to 120,857.48, 166,810.02 and 67,160.96

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Solution

The fourth proportional to 120,857.48, 166,810.02 and 67,160.96 is: 92,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857.48 : 166,810.02 = 67,160.96 : x
  2. Step 2: Convert to fraction form
    120,857.48/166,810.02 = 67,160.96/x
  3. Step 3: Cross multiply
    120,857.48x = 166,810.02 × 67,160.96
  4. Step 4: Simplify right side
    120,857.48x = 11,203,121,080.82
  5. Step 5: Solve for x
    x = 11,203,121,080.82/120,857.48
  6. Step 6: Final answer
    x = 92,696.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.