Home / 118,365.35-163,337.57-67,390.54

Finding the Fourth Proportional to 118,365.35, 163,337.57 and 67,390.54

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Solution

The fourth proportional to 118,365.35, 163,337.57 and 67,390.54 is: 92,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.35 : 163,337.57 = 67,390.54 : x
  2. Step 2: Convert to fraction form
    118,365.35/163,337.57 = 67,390.54/x
  3. Step 3: Cross multiply
    118,365.35x = 163,337.57 × 67,390.54
  4. Step 4: Simplify right side
    118,365.35x = 11,007,406,299.29
  5. Step 5: Solve for x
    x = 11,007,406,299.29/118,365.35
  6. Step 6: Final answer
    x = 92,995.17

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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.