Home / 185,111.55-277,632.09-90,246.51

Finding the Fourth Proportional to 185,111.55, 277,632.09 and 90,246.51

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Solution

The fourth proportional to 185,111.55, 277,632.09 and 90,246.51 is: 135,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,111.55 : 277,632.09 = 90,246.51 : x
  2. Step 2: Convert to fraction form
    185,111.55/277,632.09 = 90,246.51/x
  3. Step 3: Cross multiply
    185,111.55x = 277,632.09 × 90,246.51
  4. Step 4: Simplify right side
    185,111.55x = 25,055,327,186.51
  5. Step 5: Solve for x
    x = 25,055,327,186.51/185,111.55
  6. Step 6: Final answer
    x = 135,352.59

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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.