Home / 160,160.40-221,043.47-92,176.09

Finding the Fourth Proportional to 160,160.40, 221,043.47 and 92,176.09

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Solution

The fourth proportional to 160,160.40, 221,043.47 and 92,176.09 is: 127,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,160.40 : 221,043.47 = 92,176.09 : x
  2. Step 2: Convert to fraction form
    160,160.40/221,043.47 = 92,176.09/x
  3. Step 3: Cross multiply
    160,160.40x = 221,043.47 × 92,176.09
  4. Step 4: Simplify right side
    160,160.40x = 20,374,921,771.14
  5. Step 5: Solve for x
    x = 20,374,921,771.14/160,160.40
  6. Step 6: Final answer
    x = 127,215.73

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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.