Home / 118,441.37-163,396.59-70,666.94

Finding the Fourth Proportional to 118,441.37, 163,396.59 and 70,666.94

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Solution

The fourth proportional to 118,441.37, 163,396.59 and 70,666.94 is: 97,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,441.37 : 163,396.59 = 70,666.94 : x
  2. Step 2: Convert to fraction form
    118,441.37/163,396.59 = 70,666.94/x
  3. Step 3: Cross multiply
    118,441.37x = 163,396.59 × 70,666.94
  4. Step 4: Simplify right side
    118,441.37x = 11,546,737,021.73
  5. Step 5: Solve for x
    x = 11,546,737,021.73/118,441.37
  6. Step 6: Final answer
    x = 97,489.05

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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.