Home / 120,660.48-181,096.32-64,545.28

Finding the Fourth Proportional to 120,660.48, 181,096.32 and 64,545.28

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Solution

The fourth proportional to 120,660.48, 181,096.32 and 64,545.28 is: 96,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,660.48 : 181,096.32 = 64,545.28 : x
  2. Step 2: Convert to fraction form
    120,660.48/181,096.32 = 64,545.28/x
  3. Step 3: Cross multiply
    120,660.48x = 181,096.32 × 64,545.28
  4. Step 4: Simplify right side
    120,660.48x = 11,688,912,681.37
  5. Step 5: Solve for x
    x = 11,688,912,681.37/120,660.48
  6. Step 6: Final answer
    x = 96,874.41

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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.