Home / 177,899.85-245,497.10-105,306.48

Finding the Fourth Proportional to 177,899.85, 245,497.10 and 105,306.48

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Solution

The fourth proportional to 177,899.85, 245,497.10 and 105,306.48 is: 145,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,899.85 : 245,497.10 = 105,306.48 : x
  2. Step 2: Convert to fraction form
    177,899.85/245,497.10 = 105,306.48/x
  3. Step 3: Cross multiply
    177,899.85x = 245,497.10 × 105,306.48
  4. Step 4: Simplify right side
    177,899.85x = 25,852,434,924.68
  5. Step 5: Solve for x
    x = 25,852,434,924.68/177,899.85
  6. Step 6: Final answer
    x = 145,320.16

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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.