Home / 133,053.10-199,579.65-118,618.90

Finding the Fourth Proportional to 133,053.10, 199,579.65 and 118,618.90

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Solution

The fourth proportional to 133,053.10, 199,579.65 and 118,618.90 is: 177,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.10 : 199,579.65 = 118,618.90 : x
  2. Step 2: Convert to fraction form
    133,053.10/199,579.65 = 118,618.90/x
  3. Step 3: Cross multiply
    133,053.10x = 199,579.65 × 118,618.90
  4. Step 4: Simplify right side
    133,053.10x = 23,673,918,545.39
  5. Step 5: Solve for x
    x = 23,673,918,545.39/133,053.10
  6. Step 6: Final answer
    x = 177,928.35

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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.