Home / 171,762.20-237,034.16-128,665.34

Finding the Fourth Proportional to 171,762.20, 237,034.16 and 128,665.34

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Solution

The fourth proportional to 171,762.20, 237,034.16 and 128,665.34 is: 177,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,762.20 : 237,034.16 = 128,665.34 : x
  2. Step 2: Convert to fraction form
    171,762.20/237,034.16 = 128,665.34/x
  3. Step 3: Cross multiply
    171,762.20x = 237,034.16 × 128,665.34
  4. Step 4: Simplify right side
    171,762.20x = 30,498,080,788.01
  5. Step 5: Solve for x
    x = 30,498,080,788.01/171,762.20
  6. Step 6: Final answer
    x = 177,559.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.