Home / 118,346.09-163,316.50-64,630.94

Finding the Fourth Proportional to 118,346.09, 163,316.50 and 64,630.94

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Solution

The fourth proportional to 118,346.09, 163,316.50 and 64,630.94 is: 89,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.09 : 163,316.50 = 64,630.94 : x
  2. Step 2: Convert to fraction form
    118,346.09/163,316.50 = 64,630.94/x
  3. Step 3: Cross multiply
    118,346.09x = 163,316.50 × 64,630.94
  4. Step 4: Simplify right side
    118,346.09x = 10,555,297,934.35
  5. Step 5: Solve for x
    x = 10,555,297,934.35/118,346.09
  6. Step 6: Final answer
    x = 89,190.09

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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.