Home / 120,409.37-166,101.93-74,454.32

Finding the Fourth Proportional to 120,409.37, 166,101.93 and 74,454.32

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Solution

The fourth proportional to 120,409.37, 166,101.93 and 74,454.32 is: 102,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,409.37 : 166,101.93 = 74,454.32 : x
  2. Step 2: Convert to fraction form
    120,409.37/166,101.93 = 74,454.32/x
  3. Step 3: Cross multiply
    120,409.37x = 166,101.93 × 74,454.32
  4. Step 4: Simplify right side
    120,409.37x = 12,367,005,683.46
  5. Step 5: Solve for x
    x = 12,367,005,683.46/120,409.37
  6. Step 6: Final answer
    x = 102,708.00

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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.