Home / 118,377.05-163,354.32-64,651.77

Finding the Fourth Proportional to 118,377.05, 163,354.32 and 64,651.77

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Solution

The fourth proportional to 118,377.05, 163,354.32 and 64,651.77 is: 89,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,377.05 : 163,354.32 = 64,651.77 : x
  2. Step 2: Convert to fraction form
    118,377.05/163,354.32 = 64,651.77/x
  3. Step 3: Cross multiply
    118,377.05x = 163,354.32 × 64,651.77
  4. Step 4: Simplify right side
    118,377.05x = 10,561,145,925.15
  5. Step 5: Solve for x
    x = 10,561,145,925.15/118,377.05
  6. Step 6: Final answer
    x = 89,216.16

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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.