Home / 181,638.63-272,516.30-55,303.33

Finding the Fourth Proportional to 181,638.63, 272,516.30 and 55,303.33

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Solution

The fourth proportional to 181,638.63, 272,516.30 and 55,303.33 is: 82,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638.63 : 272,516.30 = 55,303.33 : x
  2. Step 2: Convert to fraction form
    181,638.63/272,516.30 = 55,303.33/x
  3. Step 3: Cross multiply
    181,638.63x = 272,516.30 × 55,303.33
  4. Step 4: Simplify right side
    181,638.63x = 15,071,058,869.28
  5. Step 5: Solve for x
    x = 15,071,058,869.28/181,638.63
  6. Step 6: Final answer
    x = 82,972.76

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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.