Home / 160,141.92-221,004.36-92,169.24

Finding the Fourth Proportional to 160,141.92, 221,004.36 and 92,169.24

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Solution

The fourth proportional to 160,141.92, 221,004.36 and 92,169.24 is: 127,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,141.92 : 221,004.36 = 92,169.24 : x
  2. Step 2: Convert to fraction form
    160,141.92/221,004.36 = 92,169.24/x
  3. Step 3: Cross multiply
    160,141.92x = 221,004.36 × 92,169.24
  4. Step 4: Simplify right side
    160,141.92x = 20,369,803,897.89
  5. Step 5: Solve for x
    x = 20,369,803,897.89/160,141.92
  6. Step 6: Final answer
    x = 127,198.45

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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.