Home / 472,926.32-709,258.24-131,291.28

Finding the Fourth Proportional to 472,926.32, 709,258.24 and 131,291.28

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Solution

The fourth proportional to 472,926.32, 709,258.24 and 131,291.28 is: 196,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,926.32 : 709,258.24 = 131,291.28 : x
  2. Step 2: Convert to fraction form
    472,926.32/709,258.24 = 131,291.28/x
  3. Step 3: Cross multiply
    472,926.32x = 709,258.24 × 131,291.28
  4. Step 4: Simplify right side
    472,926.32x = 93,119,422,180.15
  5. Step 5: Solve for x
    x = 93,119,422,180.15/472,926.32
  6. Step 6: Final answer
    x = 196,900.49

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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.