Home / 187,345.19-280,528.64-123,101.33

Finding the Fourth Proportional to 187,345.19, 280,528.64 and 123,101.33

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Solution

The fourth proportional to 187,345.19, 280,528.64 and 123,101.33 is: 184,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.19 : 280,528.64 = 123,101.33 : x
  2. Step 2: Convert to fraction form
    187,345.19/280,528.64 = 123,101.33/x
  3. Step 3: Cross multiply
    187,345.19x = 280,528.64 × 123,101.33
  4. Step 4: Simplify right side
    187,345.19x = 34,533,448,772.91
  5. Step 5: Solve for x
    x = 34,533,448,772.91/187,345.19
  6. Step 6: Final answer
    x = 184,330.59

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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.