Home / 187,027.70-280,541.55-153,785.30

Finding the Fourth Proportional to 187,027.70, 280,541.55 and 153,785.30

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Solution

The fourth proportional to 187,027.70, 280,541.55 and 153,785.30 is: 230,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.70 : 280,541.55 = 153,785.30 : x
  2. Step 2: Convert to fraction form
    187,027.70/280,541.55 = 153,785.30/x
  3. Step 3: Cross multiply
    187,027.70x = 280,541.55 × 153,785.30
  4. Step 4: Simplify right side
    187,027.70x = 43,143,166,429.22
  5. Step 5: Solve for x
    x = 43,143,166,429.22/187,027.70
  6. Step 6: Final answer
    x = 230,677.95

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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.