Home / 122,156.45-168,585.22-76,873.24

Finding the Fourth Proportional to 122,156.45, 168,585.22 and 76,873.24

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Solution

The fourth proportional to 122,156.45, 168,585.22 and 76,873.24 is: 106,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.45 : 168,585.22 = 76,873.24 : x
  2. Step 2: Convert to fraction form
    122,156.45/168,585.22 = 76,873.24/x
  3. Step 3: Cross multiply
    122,156.45x = 168,585.22 × 76,873.24
  4. Step 4: Simplify right side
    122,156.45x = 12,959,692,077.51
  5. Step 5: Solve for x
    x = 12,959,692,077.51/122,156.45
  6. Step 6: Final answer
    x = 106,090.94

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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.