Home / 178,971.84-268,457.76-73,788.07

Finding the Fourth Proportional to 178,971.84, 268,457.76 and 73,788.07

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Solution

The fourth proportional to 178,971.84, 268,457.76 and 73,788.07 is: 110,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,971.84 : 268,457.76 = 73,788.07 : x
  2. Step 2: Convert to fraction form
    178,971.84/268,457.76 = 73,788.07/x
  3. Step 3: Cross multiply
    178,971.84x = 268,457.76 × 73,788.07
  4. Step 4: Simplify right side
    178,971.84x = 19,808,979,986.92
  5. Step 5: Solve for x
    x = 19,808,979,986.92/178,971.84
  6. Step 6: Final answer
    x = 110,682.11

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1.5x scale

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.