Home / 144,172.34-198,949.59-86,094.62

Finding the Fourth Proportional to 144,172.34, 198,949.59 and 86,094.62

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Solution

The fourth proportional to 144,172.34, 198,949.59 and 86,094.62 is: 118,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,172.34 : 198,949.59 = 86,094.62 : x
  2. Step 2: Convert to fraction form
    144,172.34/198,949.59 = 86,094.62/x
  3. Step 3: Cross multiply
    144,172.34x = 198,949.59 × 86,094.62
  4. Step 4: Simplify right side
    144,172.34x = 17,128,489,350.21
  5. Step 5: Solve for x
    x = 17,128,489,350.21/144,172.34
  6. Step 6: Final answer
    x = 118,805.66

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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.