Home / 166,855.15-229,681.60-145,597.51

Finding the Fourth Proportional to 166,855.15, 229,681.60 and 145,597.51

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Solution

The fourth proportional to 166,855.15, 229,681.60 and 145,597.51 is: 200,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,855.15 : 229,681.60 = 145,597.51 : x
  2. Step 2: Convert to fraction form
    166,855.15/229,681.60 = 145,597.51/x
  3. Step 3: Cross multiply
    166,855.15x = 229,681.60 × 145,597.51
  4. Step 4: Simplify right side
    166,855.15x = 33,441,069,052.82
  5. Step 5: Solve for x
    x = 33,441,069,052.82/166,855.15
  6. Step 6: Final answer
    x = 200,419.76

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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.