Home / 103,675.90-154,705.02-92,505.82

Finding the Fourth Proportional to 103,675.90, 154,705.02 and 92,505.82

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Solution

The fourth proportional to 103,675.90, 154,705.02 and 92,505.82 is: 138,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675.90 : 154,705.02 = 92,505.82 : x
  2. Step 2: Convert to fraction form
    103,675.90/154,705.02 = 92,505.82/x
  3. Step 3: Cross multiply
    103,675.90x = 154,705.02 × 92,505.82
  4. Step 4: Simplify right side
    103,675.90x = 14,311,114,733.22
  5. Step 5: Solve for x
    x = 14,311,114,733.22/103,675.90
  6. Step 6: Final answer
    x = 138,037.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.