Home / 101,092.10-151,346.55-89,428.10

Finding the Fourth Proportional to 101,092.10, 151,346.55 and 89,428.10

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Solution

The fourth proportional to 101,092.10, 151,346.55 and 89,428.10 is: 133,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,092.10 : 151,346.55 = 89,428.10 : x
  2. Step 2: Convert to fraction form
    101,092.10/151,346.55 = 89,428.10/x
  3. Step 3: Cross multiply
    101,092.10x = 151,346.55 × 89,428.10
  4. Step 4: Simplify right side
    101,092.10x = 13,534,634,408.06
  5. Step 5: Solve for x
    x = 13,534,634,408.06/101,092.10
  6. Step 6: Final answer
    x = 133,884.19

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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.