Home / 103,600.16-155,066.04-53,611.48

Finding the Fourth Proportional to 103,600.16, 155,066.04 and 53,611.48

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Solution

The fourth proportional to 103,600.16, 155,066.04 and 53,611.48 is: 80,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,600.16 : 155,066.04 = 53,611.48 : x
  2. Step 2: Convert to fraction form
    103,600.16/155,066.04 = 53,611.48/x
  3. Step 3: Cross multiply
    103,600.16x = 155,066.04 × 53,611.48
  4. Step 4: Simplify right side
    103,600.16x = 8,313,319,902.14
  5. Step 5: Solve for x
    x = 8,313,319,902.14/103,600.16
  6. Step 6: Final answer
    x = 80,244.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.