Home / 157,168.42-216,885.98-89,183.96

Finding the Fourth Proportional to 157,168.42, 216,885.98 and 89,183.96

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Solution

The fourth proportional to 157,168.42, 216,885.98 and 89,183.96 is: 123,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168.42 : 216,885.98 = 89,183.96 : x
  2. Step 2: Convert to fraction form
    157,168.42/216,885.98 = 89,183.96/x
  3. Step 3: Cross multiply
    157,168.42x = 216,885.98 × 89,183.96
  4. Step 4: Simplify right side
    157,168.42x = 19,342,750,564.88
  5. Step 5: Solve for x
    x = 19,342,750,564.88/157,168.42
  6. Step 6: Final answer
    x = 123,070.21

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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.