Home / 275,766.24-380,547.36-168,515.76

Finding the Fourth Proportional to 275,766.24, 380,547.36 and 168,515.76

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Solution

The fourth proportional to 275,766.24, 380,547.36 and 168,515.76 is: 232,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,766.24 : 380,547.36 = 168,515.76 : x
  2. Step 2: Convert to fraction form
    275,766.24/380,547.36 = 168,515.76/x
  3. Step 3: Cross multiply
    275,766.24x = 380,547.36 × 168,515.76
  4. Step 4: Simplify right side
    275,766.24x = 64,128,227,586.39
  5. Step 5: Solve for x
    x = 64,128,227,586.39/275,766.24
  6. Step 6: Final answer
    x = 232,545.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.