Home / 120,746.16-166,621.76-67,028.56

Finding the Fourth Proportional to 120,746.16, 166,621.76 and 67,028.56

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Solution

The fourth proportional to 120,746.16, 166,621.76 and 67,028.56 is: 92,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746.16 : 166,621.76 = 67,028.56 : x
  2. Step 2: Convert to fraction form
    120,746.16/166,621.76 = 67,028.56/x
  3. Step 3: Cross multiply
    120,746.16x = 166,621.76 × 67,028.56
  4. Step 4: Simplify right side
    120,746.16x = 11,168,416,637.47
  5. Step 5: Solve for x
    x = 11,168,416,637.47/120,746.16
  6. Step 6: Final answer
    x = 92,495.00

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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.