Home / 110,784.20-166,176.30-57,640.10

Finding the Fourth Proportional to 110,784.20, 166,176.30 and 57,640.10

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Solution

The fourth proportional to 110,784.20, 166,176.30 and 57,640.10 is: 86,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,784.20 : 166,176.30 = 57,640.10 : x
  2. Step 2: Convert to fraction form
    110,784.20/166,176.30 = 57,640.10/x
  3. Step 3: Cross multiply
    110,784.20x = 166,176.30 × 57,640.10
  4. Step 4: Simplify right side
    110,784.20x = 9,578,418,549.63
  5. Step 5: Solve for x
    x = 9,578,418,549.63/110,784.20
  6. Step 6: Final answer
    x = 86,460.15

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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.