Home / 120,827.08-166,674.16-112,274.20

Finding the Fourth Proportional to 120,827.08, 166,674.16 and 112,274.20

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Solution

The fourth proportional to 120,827.08, 166,674.16 and 112,274.20 is: 154,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,827.08 : 166,674.16 = 112,274.20 : x
  2. Step 2: Convert to fraction form
    120,827.08/166,674.16 = 112,274.20/x
  3. Step 3: Cross multiply
    120,827.08x = 166,674.16 × 112,274.20
  4. Step 4: Simplify right side
    120,827.08x = 18,713,207,974.67
  5. Step 5: Solve for x
    x = 18,713,207,974.67/120,827.08
  6. Step 6: Final answer
    x = 154,875.94

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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.