Home / 314,926.20-472,086.90-104,455.80

Finding the Fourth Proportional to 314,926.20, 472,086.90 and 104,455.80

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Solution

The fourth proportional to 314,926.20, 472,086.90 and 104,455.80 is: 156,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,926.20 : 472,086.90 = 104,455.80 : x
  2. Step 2: Convert to fraction form
    314,926.20/472,086.90 = 104,455.80/x
  3. Step 3: Cross multiply
    314,926.20x = 472,086.90 × 104,455.80
  4. Step 4: Simplify right side
    314,926.20x = 49,312,214,809.02
  5. Step 5: Solve for x
    x = 49,312,214,809.02/314,926.20
  6. Step 6: Final answer
    x = 156,583.40

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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.