Home / 160,817.76-221,943.52-92,836.96

Finding the Fourth Proportional to 160,817.76, 221,943.52 and 92,836.96

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Solution

The fourth proportional to 160,817.76, 221,943.52 and 92,836.96 is: 128,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,817.76 : 221,943.52 = 92,836.96 : x
  2. Step 2: Convert to fraction form
    160,817.76/221,943.52 = 92,836.96/x
  3. Step 3: Cross multiply
    160,817.76x = 221,943.52 × 92,836.96
  4. Step 4: Simplify right side
    160,817.76x = 20,604,561,688.50
  5. Step 5: Solve for x
    x = 20,604,561,688.50/160,817.76
  6. Step 6: Final answer
    x = 128,123.67

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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.