Home / 175,728.40-263,618.20-57,405.20

Finding the Fourth Proportional to 175,728.40, 263,618.20 and 57,405.20

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Solution

The fourth proportional to 175,728.40, 263,618.20 and 57,405.20 is: 86,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,728.40 : 263,618.20 = 57,405.20 : x
  2. Step 2: Convert to fraction form
    175,728.40/263,618.20 = 57,405.20/x
  3. Step 3: Cross multiply
    175,728.40x = 263,618.20 × 57,405.20
  4. Step 4: Simplify right side
    175,728.40x = 15,133,055,494.64
  5. Step 5: Solve for x
    x = 15,133,055,494.64/175,728.40
  6. Step 6: Final answer
    x = 86,116.16

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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.