Home / 161,823.69-242,650.08-85,964.76

Finding the Fourth Proportional to 161,823.69, 242,650.08 and 85,964.76

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Solution

The fourth proportional to 161,823.69, 242,650.08 and 85,964.76 is: 128,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,823.69 : 242,650.08 = 85,964.76 : x
  2. Step 2: Convert to fraction form
    161,823.69/242,650.08 = 85,964.76/x
  3. Step 3: Cross multiply
    161,823.69x = 242,650.08 × 85,964.76
  4. Step 4: Simplify right side
    161,823.69x = 20,859,355,891.18
  5. Step 5: Solve for x
    x = 20,859,355,891.18/161,823.69
  6. Step 6: Final answer
    x = 128,901.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.