Home / 476,901.16-715,348.90-121,914.62

Finding the Fourth Proportional to 476,901.16, 715,348.90 and 121,914.62

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Solution

The fourth proportional to 476,901.16, 715,348.90 and 121,914.62 is: 182,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,901.16 : 715,348.90 = 121,914.62 : x
  2. Step 2: Convert to fraction form
    476,901.16/715,348.90 = 121,914.62/x
  3. Step 3: Cross multiply
    476,901.16x = 715,348.90 × 121,914.62
  4. Step 4: Simplify right side
    476,901.16x = 87,211,489,310.92
  5. Step 5: Solve for x
    x = 87,211,489,310.92/476,901.16
  6. Step 6: Final answer
    x = 182,871.20

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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.