Home / 97,200.40-145,858.20-64,015.60

Finding the Fourth Proportional to 97,200.40, 145,858.20 and 64,015.60

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Solution

The fourth proportional to 97,200.40, 145,858.20 and 64,015.60 is: 96,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,200.40 : 145,858.20 = 64,015.60 : x
  2. Step 2: Convert to fraction form
    97,200.40/145,858.20 = 64,015.60/x
  3. Step 3: Cross multiply
    97,200.40x = 145,858.20 × 64,015.60
  4. Step 4: Simplify right side
    97,200.40x = 9,337,200,187.92
  5. Step 5: Solve for x
    x = 9,337,200,187.92/97,200.40
  6. Step 6: Final answer
    x = 96,061.34

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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.