Home / 167,042.42-250,444.64-78,247.49

Finding the Fourth Proportional to 167,042.42, 250,444.64 and 78,247.49

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Solution

The fourth proportional to 167,042.42, 250,444.64 and 78,247.49 is: 117,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,042.42 : 250,444.64 = 78,247.49 : x
  2. Step 2: Convert to fraction form
    167,042.42/250,444.64 = 78,247.49/x
  3. Step 3: Cross multiply
    167,042.42x = 250,444.64 × 78,247.49
  4. Step 4: Simplify right side
    167,042.42x = 19,596,662,820.49
  5. Step 5: Solve for x
    x = 19,596,662,820.49/167,042.42
  6. Step 6: Final answer
    x = 117,315.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.