Home / 161,626.19-242,522.33-71,730.50

Finding the Fourth Proportional to 161,626.19, 242,522.33 and 71,730.50

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Solution

The fourth proportional to 161,626.19, 242,522.33 and 71,730.50 is: 107,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,626.19 : 242,522.33 = 71,730.50 : x
  2. Step 2: Convert to fraction form
    161,626.19/242,522.33 = 71,730.50/x
  3. Step 3: Cross multiply
    161,626.19x = 242,522.33 × 71,730.50
  4. Step 4: Simplify right side
    161,626.19x = 17,396,246,420.80
  5. Step 5: Solve for x
    x = 17,396,246,420.80/161,626.19
  6. Step 6: Final answer
    x = 107,632.60

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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.