Home / 119,110.02-178,431.44-69,085.02

Finding the Fourth Proportional to 119,110.02, 178,431.44 and 69,085.02

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Solution

The fourth proportional to 119,110.02, 178,431.44 and 69,085.02 is: 103,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,110.02 : 178,431.44 = 69,085.02 : x
  2. Step 2: Convert to fraction form
    119,110.02/178,431.44 = 69,085.02/x
  3. Step 3: Cross multiply
    119,110.02x = 178,431.44 × 69,085.02
  4. Step 4: Simplify right side
    119,110.02x = 12,326,939,601.03
  5. Step 5: Solve for x
    x = 12,326,939,601.03/119,110.02
  6. Step 6: Final answer
    x = 103,492.05

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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.