Home / 97,219.20-145,828.80-73,599.60

Finding the Fourth Proportional to 97,219.20, 145,828.80 and 73,599.60

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Solution

The fourth proportional to 97,219.20, 145,828.80 and 73,599.60 is: 110,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,219.20 : 145,828.80 = 73,599.60 : x
  2. Step 2: Convert to fraction form
    97,219.20/145,828.80 = 73,599.60/x
  3. Step 3: Cross multiply
    97,219.20x = 145,828.80 × 73,599.60
  4. Step 4: Simplify right side
    97,219.20x = 10,732,941,348.48
  5. Step 5: Solve for x
    x = 10,732,941,348.48/97,219.20
  6. Step 6: Final answer
    x = 110,399.40

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Similar ratio
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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.