Home / 132,646.94-183,051.66-72,217.43

Finding the Fourth Proportional to 132,646.94, 183,051.66 and 72,217.43

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Solution

The fourth proportional to 132,646.94, 183,051.66 and 72,217.43 is: 99,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,646.94 : 183,051.66 = 72,217.43 : x
  2. Step 2: Convert to fraction form
    132,646.94/183,051.66 = 72,217.43/x
  3. Step 3: Cross multiply
    132,646.94x = 183,051.66 × 72,217.43
  4. Step 4: Simplify right side
    132,646.94x = 13,219,520,442.43
  5. Step 5: Solve for x
    x = 13,219,520,442.43/132,646.94
  6. Step 6: Final answer
    x = 99,659.45

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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.