Home / 118,897.96-164,084.36-71,142.16

Finding the Fourth Proportional to 118,897.96, 164,084.36 and 71,142.16

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Solution

The fourth proportional to 118,897.96, 164,084.36 and 71,142.16 is: 98,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897.96 : 164,084.36 = 71,142.16 : x
  2. Step 2: Convert to fraction form
    118,897.96/164,084.36 = 71,142.16/x
  3. Step 3: Cross multiply
    118,897.96x = 164,084.36 × 71,142.16
  4. Step 4: Simplify right side
    118,897.96x = 11,673,315,792.62
  5. Step 5: Solve for x
    x = 11,673,315,792.62/118,897.96
  6. Step 6: Final answer
    x = 98,179.28

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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.