Home / 275,366.22-380,008.52-160,641.06

Finding the Fourth Proportional to 275,366.22, 380,008.52 and 160,641.06

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Solution

The fourth proportional to 275,366.22, 380,008.52 and 160,641.06 is: 221,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,366.22 : 380,008.52 = 160,641.06 : x
  2. Step 2: Convert to fraction form
    275,366.22/380,008.52 = 160,641.06/x
  3. Step 3: Cross multiply
    275,366.22x = 380,008.52 × 160,641.06
  4. Step 4: Simplify right side
    275,366.22x = 61,044,971,461.83
  5. Step 5: Solve for x
    x = 61,044,971,461.83/275,366.22
  6. Step 6: Final answer
    x = 221,686.49

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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.