Home / 165,980.10-248,970.15-41,321.10

Finding the Fourth Proportional to 165,980.10, 248,970.15 and 41,321.10

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Solution

The fourth proportional to 165,980.10, 248,970.15 and 41,321.10 is: 61,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,980.10 : 248,970.15 = 41,321.10 : x
  2. Step 2: Convert to fraction form
    165,980.10/248,970.15 = 41,321.10/x
  3. Step 3: Cross multiply
    165,980.10x = 248,970.15 × 41,321.10
  4. Step 4: Simplify right side
    165,980.10x = 10,287,720,465.17
  5. Step 5: Solve for x
    x = 10,287,720,465.17/165,980.10
  6. Step 6: Final answer
    x = 61,981.65

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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.