Home / 227,665.21-314,178.45-125,690.87

Finding the Fourth Proportional to 227,665.21, 314,178.45 and 125,690.87

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Solution

The fourth proportional to 227,665.21, 314,178.45 and 125,690.87 is: 173,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,665.21 : 314,178.45 = 125,690.87 : x
  2. Step 2: Convert to fraction form
    227,665.21/314,178.45 = 125,690.87/x
  3. Step 3: Cross multiply
    227,665.21x = 314,178.45 × 125,690.87
  4. Step 4: Simplify right side
    227,665.21x = 39,489,360,830.63
  5. Step 5: Solve for x
    x = 39,489,360,830.63/227,665.21
  6. Step 6: Final answer
    x = 173,453.65

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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.