Home / 161,824.90-242,555.10-77,625.40

Finding the Fourth Proportional to 161,824.90, 242,555.10 and 77,625.40

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Solution

The fourth proportional to 161,824.90, 242,555.10 and 77,625.40 is: 116,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,824.90 : 242,555.10 = 77,625.40 : x
  2. Step 2: Convert to fraction form
    161,824.90/242,555.10 = 77,625.40/x
  3. Step 3: Cross multiply
    161,824.90x = 242,555.10 × 77,625.40
  4. Step 4: Simplify right side
    161,824.90x = 18,828,436,659.54
  5. Step 5: Solve for x
    x = 18,828,436,659.54/161,824.90
  6. Step 6: Final answer
    x = 116,350.68

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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.