Home / 132,602.87-182,995.83-72,177.41

Finding the Fourth Proportional to 132,602.87, 182,995.83 and 72,177.41

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Solution

The fourth proportional to 132,602.87, 182,995.83 and 72,177.41 is: 99,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.87 : 182,995.83 = 72,177.41 : x
  2. Step 2: Convert to fraction form
    132,602.87/182,995.83 = 72,177.41/x
  3. Step 3: Cross multiply
    132,602.87x = 182,995.83 × 72,177.41
  4. Step 4: Simplify right side
    132,602.87x = 13,208,164,135.22
  5. Step 5: Solve for x
    x = 13,208,164,135.22/132,602.87
  6. Step 6: Final answer
    x = 99,606.93

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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.