Home / 132,404.23-182,733.14-78,688.77

Finding the Fourth Proportional to 132,404.23, 182,733.14 and 78,688.77

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Solution

The fourth proportional to 132,404.23, 182,733.14 and 78,688.77 is: 108,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,404.23 : 182,733.14 = 78,688.77 : x
  2. Step 2: Convert to fraction form
    132,404.23/182,733.14 = 78,688.77/x
  3. Step 3: Cross multiply
    132,404.23x = 182,733.14 × 78,688.77
  4. Step 4: Simplify right side
    132,404.23x = 14,379,045,631.39
  5. Step 5: Solve for x
    x = 14,379,045,631.39/132,404.23
  6. Step 6: Final answer
    x = 108,599.60

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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.