Home / 120,303.25-166,001.11-66,588.14

Finding the Fourth Proportional to 120,303.25, 166,001.11 and 66,588.14

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Solution

The fourth proportional to 120,303.25, 166,001.11 and 66,588.14 is: 91,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303.25 : 166,001.11 = 66,588.14 : x
  2. Step 2: Convert to fraction form
    120,303.25/166,001.11 = 66,588.14/x
  3. Step 3: Cross multiply
    120,303.25x = 166,001.11 × 66,588.14
  4. Step 4: Simplify right side
    120,303.25x = 11,053,705,152.84
  5. Step 5: Solve for x
    x = 11,053,705,152.84/120,303.25
  6. Step 6: Final answer
    x = 91,882.02

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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.