Home / 202,849.41-279,928.73-112,205.30

Finding the Fourth Proportional to 202,849.41, 279,928.73 and 112,205.30

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Solution

The fourth proportional to 202,849.41, 279,928.73 and 112,205.30 is: 154,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,849.41 : 279,928.73 = 112,205.30 : x
  2. Step 2: Convert to fraction form
    202,849.41/279,928.73 = 112,205.30/x
  3. Step 3: Cross multiply
    202,849.41x = 279,928.73 × 112,205.30
  4. Step 4: Simplify right side
    202,849.41x = 31,409,487,128.27
  5. Step 5: Solve for x
    x = 31,409,487,128.27/202,849.41
  6. Step 6: Final answer
    x = 154,841.40

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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.