Home / 185,187.23-277,883.81-90,418.59

Finding the Fourth Proportional to 185,187.23, 277,883.81 and 90,418.59

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Solution

The fourth proportional to 185,187.23, 277,883.81 and 90,418.59 is: 135,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,187.23 : 277,883.81 = 90,418.59 : x
  2. Step 2: Convert to fraction form
    185,187.23/277,883.81 = 90,418.59/x
  3. Step 3: Cross multiply
    185,187.23x = 277,883.81 × 90,418.59
  4. Step 4: Simplify right side
    185,187.23x = 25,125,862,284.03
  5. Step 5: Solve for x
    x = 25,125,862,284.03/185,187.23
  6. Step 6: Final answer
    x = 135,678.16

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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.