Home / 114,985.76-172,479.41-40,105.63

Finding the Fourth Proportional to 114,985.76, 172,479.41 and 40,105.63

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Solution

The fourth proportional to 114,985.76, 172,479.41 and 40,105.63 is: 60,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.76 : 172,479.41 = 40,105.63 : x
  2. Step 2: Convert to fraction form
    114,985.76/172,479.41 = 40,105.63/x
  3. Step 3: Cross multiply
    114,985.76x = 172,479.41 × 40,105.63
  4. Step 4: Simplify right side
    114,985.76x = 6,917,394,337.15
  5. Step 5: Solve for x
    x = 6,917,394,337.15/114,985.76
  6. Step 6: Final answer
    x = 60,158.70

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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.