Home / 156,540.98-234,702.02-49,889.18

Finding the Fourth Proportional to 156,540.98, 234,702.02 and 49,889.18

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Solution

The fourth proportional to 156,540.98, 234,702.02 and 49,889.18 is: 74,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.98 : 234,702.02 = 49,889.18 : x
  2. Step 2: Convert to fraction form
    156,540.98/234,702.02 = 49,889.18/x
  3. Step 3: Cross multiply
    156,540.98x = 234,702.02 × 49,889.18
  4. Step 4: Simplify right side
    156,540.98x = 11,709,091,322.14
  5. Step 5: Solve for x
    x = 11,709,091,322.14/156,540.98
  6. Step 6: Final answer
    x = 74,798.89

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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.