Home / 180,681.08-271,020.78-54,320.76

Finding the Fourth Proportional to 180,681.08, 271,020.78 and 54,320.76

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Solution

The fourth proportional to 180,681.08, 271,020.78 and 54,320.76 is: 81,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,681.08 : 271,020.78 = 54,320.76 : x
  2. Step 2: Convert to fraction form
    180,681.08/271,020.78 = 54,320.76/x
  3. Step 3: Cross multiply
    180,681.08x = 271,020.78 × 54,320.76
  4. Step 4: Simplify right side
    180,681.08x = 14,722,054,745.39
  5. Step 5: Solve for x
    x = 14,722,054,745.39/180,681.08
  6. Step 6: Final answer
    x = 81,480.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.