Home / 356,730.20-535,177.38-120,066.56

Finding the Fourth Proportional to 356,730.20, 535,177.38 and 120,066.56

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Solution

The fourth proportional to 356,730.20, 535,177.38 and 120,066.56 is: 180,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,730.20 : 535,177.38 = 120,066.56 : x
  2. Step 2: Convert to fraction form
    356,730.20/535,177.38 = 120,066.56/x
  3. Step 3: Cross multiply
    356,730.20x = 535,177.38 × 120,066.56
  4. Step 4: Simplify right side
    356,730.20x = 64,256,907,006.41
  5. Step 5: Solve for x
    x = 64,256,907,006.41/356,730.20
  6. Step 6: Final answer
    x = 180,127.47

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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.