Home / 282,370.66-423,431.64-132,653.50

Finding the Fourth Proportional to 282,370.66, 423,431.64 and 132,653.50

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Solution

The fourth proportional to 282,370.66, 423,431.64 and 132,653.50 is: 198,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,370.66 : 423,431.64 = 132,653.50 : x
  2. Step 2: Convert to fraction form
    282,370.66/423,431.64 = 132,653.50/x
  3. Step 3: Cross multiply
    282,370.66x = 423,431.64 × 132,653.50
  4. Step 4: Simplify right side
    282,370.66x = 56,169,689,056.74
  5. Step 5: Solve for x
    x = 56,169,689,056.74/282,370.66
  6. Step 6: Final answer
    x = 198,921.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.