Home / 205,097.40-307,646.10-116,316.60

Finding the Fourth Proportional to 205,097.40, 307,646.10 and 116,316.60

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Solution

The fourth proportional to 205,097.40, 307,646.10 and 116,316.60 is: 174,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,097.40 : 307,646.10 = 116,316.60 : x
  2. Step 2: Convert to fraction form
    205,097.40/307,646.10 = 116,316.60/x
  3. Step 3: Cross multiply
    205,097.40x = 307,646.10 × 116,316.60
  4. Step 4: Simplify right side
    205,097.40x = 35,784,348,355.26
  5. Step 5: Solve for x
    x = 35,784,348,355.26/205,097.40
  6. Step 6: Final answer
    x = 174,474.90

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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.