Home / 176,222.49-243,297.15-121,126.67

Finding the Fourth Proportional to 176,222.49, 243,297.15 and 121,126.67

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Solution

The fourth proportional to 176,222.49, 243,297.15 and 121,126.67 is: 167,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,222.49 : 243,297.15 = 121,126.67 : x
  2. Step 2: Convert to fraction form
    176,222.49/243,297.15 = 121,126.67/x
  3. Step 3: Cross multiply
    176,222.49x = 243,297.15 × 121,126.67
  4. Step 4: Simplify right side
    176,222.49x = 29,469,772,841.64
  5. Step 5: Solve for x
    x = 29,469,772,841.64/176,222.49
  6. Step 6: Final answer
    x = 167,230.48

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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.