Home / 142,466.98-213,503.64-123,702.52

Finding the Fourth Proportional to 142,466.98, 213,503.64 and 123,702.52

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Solution

The fourth proportional to 142,466.98, 213,503.64 and 123,702.52 is: 185,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,466.98 : 213,503.64 = 123,702.52 : x
  2. Step 2: Convert to fraction form
    142,466.98/213,503.64 = 123,702.52/x
  3. Step 3: Cross multiply
    142,466.98x = 213,503.64 × 123,702.52
  4. Step 4: Simplify right side
    142,466.98x = 26,410,937,299.53
  5. Step 5: Solve for x
    x = 26,410,937,299.53/142,466.98
  6. Step 6: Final answer
    x = 185,382.87

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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.