Home / 345,701.22-518,176.92-176,990.22

Finding the Fourth Proportional to 345,701.22, 518,176.92 and 176,990.22

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Solution

The fourth proportional to 345,701.22, 518,176.92 and 176,990.22 is: 265,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,701.22 : 518,176.92 = 176,990.22 : x
  2. Step 2: Convert to fraction form
    345,701.22/518,176.92 = 176,990.22/x
  3. Step 3: Cross multiply
    345,701.22x = 518,176.92 × 176,990.22
  4. Step 4: Simplify right side
    345,701.22x = 91,712,247,069.72
  5. Step 5: Solve for x
    x = 91,712,247,069.72/345,701.22
  6. Step 6: Final answer
    x = 265,293.39

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1.5x scale

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.