Home / 224,595.18-309,944.34-122,619.47

Finding the Fourth Proportional to 224,595.18, 309,944.34 and 122,619.47

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Solution

The fourth proportional to 224,595.18, 309,944.34 and 122,619.47 is: 169,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,595.18 : 309,944.34 = 122,619.47 : x
  2. Step 2: Convert to fraction form
    224,595.18/309,944.34 = 122,619.47/x
  3. Step 3: Cross multiply
    224,595.18x = 309,944.34 × 122,619.47
  4. Step 4: Simplify right side
    224,595.18x = 38,005,209,150.58
  5. Step 5: Solve for x
    x = 38,005,209,150.58/224,595.18
  6. Step 6: Final answer
    x = 169,216.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.