Home / 161,099.99-222,358.18-93,156.15

Finding the Fourth Proportional to 161,099.99, 222,358.18 and 93,156.15

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Solution

The fourth proportional to 161,099.99, 222,358.18 and 93,156.15 is: 128,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,099.99 : 222,358.18 = 93,156.15 : x
  2. Step 2: Convert to fraction form
    161,099.99/222,358.18 = 93,156.15/x
  3. Step 3: Cross multiply
    161,099.99x = 222,358.18 × 93,156.15
  4. Step 4: Simplify right side
    161,099.99x = 20,714,031,969.81
  5. Step 5: Solve for x
    x = 20,714,031,969.81/161,099.99
  6. Step 6: Final answer
    x = 128,578.73

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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.