Home / 240,018.12-359,632.70-82,160.46

Finding the Fourth Proportional to 240,018.12, 359,632.70 and 82,160.46

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Solution

The fourth proportional to 240,018.12, 359,632.70 and 82,160.46 is: 123,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,018.12 : 359,632.70 = 82,160.46 : x
  2. Step 2: Convert to fraction form
    240,018.12/359,632.70 = 82,160.46/x
  3. Step 3: Cross multiply
    240,018.12x = 359,632.70 × 82,160.46
  4. Step 4: Simplify right side
    240,018.12x = 29,547,588,063.04
  5. Step 5: Solve for x
    x = 29,547,588,063.04/240,018.12
  6. Step 6: Final answer
    x = 123,105.66

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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.