Home / 417,748.20-626,542.38-118,156.47

Finding the Fourth Proportional to 417,748.20, 626,542.38 and 118,156.47

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Solution

The fourth proportional to 417,748.20, 626,542.38 and 118,156.47 is: 177,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,748.20 : 626,542.38 = 118,156.47 : x
  2. Step 2: Convert to fraction form
    417,748.20/626,542.38 = 118,156.47/x
  3. Step 3: Cross multiply
    417,748.20x = 626,542.38 × 118,156.47
  4. Step 4: Simplify right side
    417,748.20x = 74,030,035,926.20
  5. Step 5: Solve for x
    x = 74,030,035,926.20/417,748.20
  6. Step 6: Final answer
    x = 177,212.10

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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.