Home / 271,870.11-375,186.69-149,364.06

Finding the Fourth Proportional to 271,870.11, 375,186.69 and 149,364.06

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Solution

The fourth proportional to 271,870.11, 375,186.69 and 149,364.06 is: 206,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,870.11 : 375,186.69 = 149,364.06 : x
  2. Step 2: Convert to fraction form
    271,870.11/375,186.69 = 149,364.06/x
  3. Step 3: Cross multiply
    271,870.11x = 375,186.69 × 149,364.06
  4. Step 4: Simplify right side
    271,870.11x = 56,039,407,276.36
  5. Step 5: Solve for x
    x = 56,039,407,276.36/271,870.11
  6. Step 6: Final answer
    x = 206,125.67

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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.