Home / 178,875.08-246,818.58-103,409

Finding the Fourth Proportional to 178,875.08, 246,818.58 and 103,409

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Solution

The fourth proportional to 178,875.08, 246,818.58 and 103,409 is: 142,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,875.08 : 246,818.58 = 103,409 : x
  2. Step 2: Convert to fraction form
    178,875.08/246,818.58 = 103,409/x
  3. Step 3: Cross multiply
    178,875.08x = 246,818.58 × 103,409
  4. Step 4: Simplify right side
    178,875.08x = 25,523,262,539.22
  5. Step 5: Solve for x
    x = 25,523,262,539.22/178,875.08
  6. Step 6: Final answer
    x = 142,687.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.