Home / 118,208.88-163,125.72-64,495.44

Finding the Fourth Proportional to 118,208.88, 163,125.72 and 64,495.44

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Solution

The fourth proportional to 118,208.88, 163,125.72 and 64,495.44 is: 89,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.88 : 163,125.72 = 64,495.44 : x
  2. Step 2: Convert to fraction form
    118,208.88/163,125.72 = 64,495.44/x
  3. Step 3: Cross multiply
    118,208.88x = 163,125.72 × 64,495.44
  4. Step 4: Simplify right side
    118,208.88x = 10,520,865,086.72
  5. Step 5: Solve for x
    x = 10,520,865,086.72/118,208.88
  6. Step 6: Final answer
    x = 89,002.32

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1.5x scale

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.