Home / 118,387.44-163,369.93-64,674.37

Finding the Fourth Proportional to 118,387.44, 163,369.93 and 64,674.37

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Solution

The fourth proportional to 118,387.44, 163,369.93 and 64,674.37 is: 89,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,387.44 : 163,369.93 = 64,674.37 : x
  2. Step 2: Convert to fraction form
    118,387.44/163,369.93 = 64,674.37/x
  3. Step 3: Cross multiply
    118,387.44x = 163,369.93 × 64,674.37
  4. Step 4: Simplify right side
    118,387.44x = 10,565,847,650.12
  5. Step 5: Solve for x
    x = 10,565,847,650.12/118,387.44
  6. Step 6: Final answer
    x = 89,248.05

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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.