Home / 243,631.08-365,355.48-83,661.60

Finding the Fourth Proportional to 243,631.08, 365,355.48 and 83,661.60

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Solution

The fourth proportional to 243,631.08, 365,355.48 and 83,661.60 is: 125,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631.08 : 365,355.48 = 83,661.60 : x
  2. Step 2: Convert to fraction form
    243,631.08/365,355.48 = 83,661.60/x
  3. Step 3: Cross multiply
    243,631.08x = 365,355.48 × 83,661.60
  4. Step 4: Simplify right side
    243,631.08x = 30,566,224,025.57
  5. Step 5: Solve for x
    x = 30,566,224,025.57/243,631.08
  6. Step 6: Final answer
    x = 125,461.10

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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.