Home / 202,827.88-279,895.80-112,182.40

Finding the Fourth Proportional to 202,827.88, 279,895.80 and 112,182.40

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Solution

The fourth proportional to 202,827.88, 279,895.80 and 112,182.40 is: 154,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,827.88 : 279,895.80 = 112,182.40 : x
  2. Step 2: Convert to fraction form
    202,827.88/279,895.80 = 112,182.40/x
  3. Step 3: Cross multiply
    202,827.88x = 279,895.80 × 112,182.40
  4. Step 4: Simplify right side
    202,827.88x = 31,399,382,593.92
  5. Step 5: Solve for x
    x = 31,399,382,593.92/202,827.88
  6. Step 6: Final answer
    x = 154,808.02

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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.