Home / 150,043.20-225,064.80-97,166.40

Finding the Fourth Proportional to 150,043.20, 225,064.80 and 97,166.40

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Solution

The fourth proportional to 150,043.20, 225,064.80 and 97,166.40 is: 145,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,043.20 : 225,064.80 = 97,166.40 : x
  2. Step 2: Convert to fraction form
    150,043.20/225,064.80 = 97,166.40/x
  3. Step 3: Cross multiply
    150,043.20x = 225,064.80 × 97,166.40
  4. Step 4: Simplify right side
    150,043.20x = 21,868,736,382.72
  5. Step 5: Solve for x
    x = 21,868,736,382.72/150,043.20
  6. Step 6: Final answer
    x = 145,749.60

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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.