Home / 118,245.22-163,178.35-64,530.23

Finding the Fourth Proportional to 118,245.22, 163,178.35 and 64,530.23

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Solution

The fourth proportional to 118,245.22, 163,178.35 and 64,530.23 is: 89,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,245.22 : 163,178.35 = 64,530.23 : x
  2. Step 2: Convert to fraction form
    118,245.22/163,178.35 = 64,530.23/x
  3. Step 3: Cross multiply
    118,245.22x = 163,178.35 × 64,530.23
  4. Step 4: Simplify right side
    118,245.22x = 10,529,936,456.52
  5. Step 5: Solve for x
    x = 10,529,936,456.52/118,245.22
  6. Step 6: Final answer
    x = 89,051.69

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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.