Home / 202,827.21-279,868.10-112,165.46

Finding the Fourth Proportional to 202,827.21, 279,868.10 and 112,165.46

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Solution

The fourth proportional to 202,827.21, 279,868.10 and 112,165.46 is: 154,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,827.21 : 279,868.10 = 112,165.46 : x
  2. Step 2: Convert to fraction form
    202,827.21/279,868.10 = 112,165.46/x
  3. Step 3: Cross multiply
    202,827.21x = 279,868.10 × 112,165.46
  4. Step 4: Simplify right side
    202,827.21x = 31,391,533,265.16
  5. Step 5: Solve for x
    x = 31,391,533,265.16/202,827.21
  6. Step 6: Final answer
    x = 154,769.84

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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.