Home / 176,205.75-243,072.03-108,238.05

Finding the Fourth Proportional to 176,205.75, 243,072.03 and 108,238.05

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Solution

The fourth proportional to 176,205.75, 243,072.03 and 108,238.05 is: 149,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,205.75 : 243,072.03 = 108,238.05 : x
  2. Step 2: Convert to fraction form
    176,205.75/243,072.03 = 108,238.05/x
  3. Step 3: Cross multiply
    176,205.75x = 243,072.03 × 108,238.05
  4. Step 4: Simplify right side
    176,205.75x = 26,309,642,536.74
  5. Step 5: Solve for x
    x = 26,309,642,536.74/176,205.75
  6. Step 6: Final answer
    x = 149,312.05

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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.