Home / 132,790.08-183,245.67-72,359.51

Finding the Fourth Proportional to 132,790.08, 183,245.67 and 72,359.51

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Solution

The fourth proportional to 132,790.08, 183,245.67 and 72,359.51 is: 99,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.08 : 183,245.67 = 72,359.51 : x
  2. Step 2: Convert to fraction form
    132,790.08/183,245.67 = 72,359.51/x
  3. Step 3: Cross multiply
    132,790.08x = 183,245.67 × 72,359.51
  4. Step 4: Simplify right side
    132,790.08x = 13,259,566,890.82
  5. Step 5: Solve for x
    x = 13,259,566,890.82/132,790.08
  6. Step 6: Final answer
    x = 99,853.60

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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.