Home / 178,875.12-268,368.84-73,743.60

Finding the Fourth Proportional to 178,875.12, 268,368.84 and 73,743.60

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Solution

The fourth proportional to 178,875.12, 268,368.84 and 73,743.60 is: 110,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,875.12 : 268,368.84 = 73,743.60 : x
  2. Step 2: Convert to fraction form
    178,875.12/268,368.84 = 73,743.60/x
  3. Step 3: Cross multiply
    178,875.12x = 268,368.84 × 73,743.60
  4. Step 4: Simplify right side
    178,875.12x = 19,790,484,389.42
  5. Step 5: Solve for x
    x = 19,790,484,389.42/178,875.12
  6. Step 6: Final answer
    x = 110,638.55

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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.