Home / 160,577.40-221,556.78-92,615.16

Finding the Fourth Proportional to 160,577.40, 221,556.78 and 92,615.16

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Solution

The fourth proportional to 160,577.40, 221,556.78 and 92,615.16 is: 127,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,577.40 : 221,556.78 = 92,615.16 : x
  2. Step 2: Convert to fraction form
    160,577.40/221,556.78 = 92,615.16/x
  3. Step 3: Cross multiply
    160,577.40x = 221,556.78 × 92,615.16
  4. Step 4: Simplify right side
    160,577.40x = 20,519,516,628.78
  5. Step 5: Solve for x
    x = 20,519,516,628.78/160,577.40
  6. Step 6: Final answer
    x = 127,785.83

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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.