Home / 178,221.67-245,942.73-105,673.41

Finding the Fourth Proportional to 178,221.67, 245,942.73 and 105,673.41

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Solution

The fourth proportional to 178,221.67, 245,942.73 and 105,673.41 is: 145,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,221.67 : 245,942.73 = 105,673.41 : x
  2. Step 2: Convert to fraction form
    178,221.67/245,942.73 = 105,673.41/x
  3. Step 3: Cross multiply
    178,221.67x = 245,942.73 × 105,673.41
  4. Step 4: Simplify right side
    178,221.67x = 25,989,606,943.81
  5. Step 5: Solve for x
    x = 25,989,606,943.81/178,221.67
  6. Step 6: Final answer
    x = 145,827.43

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1.5x scale

Why These Related Problems?

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