Home / 133,888.14-184,772.34-76,530.42

Finding the Fourth Proportional to 133,888.14, 184,772.34 and 76,530.42

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Solution

The fourth proportional to 133,888.14, 184,772.34 and 76,530.42 is: 105,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,888.14 : 184,772.34 = 76,530.42 : x
  2. Step 2: Convert to fraction form
    133,888.14/184,772.34 = 76,530.42/x
  3. Step 3: Cross multiply
    133,888.14x = 184,772.34 × 76,530.42
  4. Step 4: Simplify right side
    133,888.14x = 14,140,704,784.58
  5. Step 5: Solve for x
    x = 14,140,704,784.58/133,888.14
  6. Step 6: Final answer
    x = 105,615.81

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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.