Home / 120,313.27-166,030.30-66,597.13

Finding the Fourth Proportional to 120,313.27, 166,030.30 and 66,597.13

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Solution

The fourth proportional to 120,313.27, 166,030.30 and 66,597.13 is: 91,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,313.27 : 166,030.30 = 66,597.13 : x
  2. Step 2: Convert to fraction form
    120,313.27/166,030.30 = 66,597.13/x
  3. Step 3: Cross multiply
    120,313.27x = 166,030.30 × 66,597.13
  4. Step 4: Simplify right side
    120,313.27x = 11,057,141,638.95
  5. Step 5: Solve for x
    x = 11,057,141,638.95/120,313.27
  6. Step 6: Final answer
    x = 91,902.93

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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.