Home / 183,945.60-253,841.04-108,518.40

Finding the Fourth Proportional to 183,945.60, 253,841.04 and 108,518.40

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Solution

The fourth proportional to 183,945.60, 253,841.04 and 108,518.40 is: 149,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.60 : 253,841.04 = 108,518.40 : x
  2. Step 2: Convert to fraction form
    183,945.60/253,841.04 = 108,518.40/x
  3. Step 3: Cross multiply
    183,945.60x = 253,841.04 × 108,518.40
  4. Step 4: Simplify right side
    183,945.60x = 27,546,423,515.14
  5. Step 5: Solve for x
    x = 27,546,423,515.14/183,945.60
  6. Step 6: Final answer
    x = 149,753.10

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1.5x scale

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.