Home / 173,392.20-260,036.46-90,240.84

Finding the Fourth Proportional to 173,392.20, 260,036.46 and 90,240.84

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Solution

The fourth proportional to 173,392.20, 260,036.46 and 90,240.84 is: 135,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,392.20 : 260,036.46 = 90,240.84 : x
  2. Step 2: Convert to fraction form
    173,392.20/260,036.46 = 90,240.84/x
  3. Step 3: Cross multiply
    173,392.20x = 260,036.46 × 90,240.84
  4. Step 4: Simplify right side
    173,392.20x = 23,465,908,581.03
  5. Step 5: Solve for x
    x = 23,465,908,581.03/173,392.20
  6. Step 6: Final answer
    x = 135,334.28

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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.