Home / 118,441.62-163,396.93-70,667.19

Finding the Fourth Proportional to 118,441.62, 163,396.93 and 70,667.19

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Solution

The fourth proportional to 118,441.62, 163,396.93 and 70,667.19 is: 97,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,441.62 : 163,396.93 = 70,667.19 : x
  2. Step 2: Convert to fraction form
    118,441.62/163,396.93 = 70,667.19/x
  3. Step 3: Cross multiply
    118,441.62x = 163,396.93 × 70,667.19
  4. Step 4: Simplify right side
    118,441.62x = 11,546,801,897.73
  5. Step 5: Solve for x
    x = 11,546,801,897.73/118,441.62
  6. Step 6: Final answer
    x = 97,489.40

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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.