Home / 282,530.53-423,435.40-132,440.16

Finding the Fourth Proportional to 282,530.53, 423,435.40 and 132,440.16

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Solution

The fourth proportional to 282,530.53, 423,435.40 and 132,440.16 is: 198,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,530.53 : 423,435.40 = 132,440.16 : x
  2. Step 2: Convert to fraction form
    282,530.53/423,435.40 = 132,440.16/x
  3. Step 3: Cross multiply
    282,530.53x = 423,435.40 × 132,440.16
  4. Step 4: Simplify right side
    282,530.53x = 56,079,853,382.45
  5. Step 5: Solve for x
    x = 56,079,853,382.45/282,530.53
  6. Step 6: Final answer
    x = 198,491.30

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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.