Home / 210,099.15-289,938.92-114,607.85

Finding the Fourth Proportional to 210,099.15, 289,938.92 and 114,607.85

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Solution

The fourth proportional to 210,099.15, 289,938.92 and 114,607.85 is: 158,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,099.15 : 289,938.92 = 114,607.85 : x
  2. Step 2: Convert to fraction form
    210,099.15/289,938.92 = 114,607.85/x
  3. Step 3: Cross multiply
    210,099.15x = 289,938.92 × 114,607.85
  4. Step 4: Simplify right side
    210,099.15x = 33,229,274,229.79
  5. Step 5: Solve for x
    x = 33,229,274,229.79/210,099.15
  6. Step 6: Final answer
    x = 158,159.97

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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.