Home / 176,435.22-243,491.49-100,982.10

Finding the Fourth Proportional to 176,435.22, 243,491.49 and 100,982.10

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Solution

The fourth proportional to 176,435.22, 243,491.49 and 100,982.10 is: 139,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,435.22 : 243,491.49 = 100,982.10 : x
  2. Step 2: Convert to fraction form
    176,435.22/243,491.49 = 100,982.10/x
  3. Step 3: Cross multiply
    176,435.22x = 243,491.49 × 100,982.10
  4. Step 4: Simplify right side
    176,435.22x = 24,588,281,992.33
  5. Step 5: Solve for x
    x = 24,588,281,992.33/176,435.22
  6. Step 6: Final answer
    x = 139,361.53

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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.