Home / 177,829.19-245,389.44-100,300.56

Finding the Fourth Proportional to 177,829.19, 245,389.44 and 100,300.56

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Solution

The fourth proportional to 177,829.19, 245,389.44 and 100,300.56 is: 138,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,829.19 : 245,389.44 = 100,300.56 : x
  2. Step 2: Convert to fraction form
    177,829.19/245,389.44 = 100,300.56/x
  3. Step 3: Cross multiply
    177,829.19x = 245,389.44 × 100,300.56
  4. Step 4: Simplify right side
    177,829.19x = 24,612,697,748.58
  5. Step 5: Solve for x
    x = 24,612,697,748.58/177,829.19
  6. Step 6: Final answer
    x = 138,406.40

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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.