Home / 132,123.78-182,330.94-75,536.34

Finding the Fourth Proportional to 132,123.78, 182,330.94 and 75,536.34

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Solution

The fourth proportional to 132,123.78, 182,330.94 and 75,536.34 is: 104,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.78 : 182,330.94 = 75,536.34 : x
  2. Step 2: Convert to fraction form
    132,123.78/182,330.94 = 75,536.34/x
  3. Step 3: Cross multiply
    132,123.78x = 182,330.94 × 75,536.34
  4. Step 4: Simplify right side
    132,123.78x = 13,772,611,876.36
  5. Step 5: Solve for x
    x = 13,772,611,876.36/132,123.78
  6. Step 6: Final answer
    x = 104,240.22

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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.