Home / 124,285.08-171,614.68-101,318.60

Finding the Fourth Proportional to 124,285.08, 171,614.68 and 101,318.60

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Solution

The fourth proportional to 124,285.08, 171,614.68 and 101,318.60 is: 139,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,285.08 : 171,614.68 = 101,318.60 : x
  2. Step 2: Convert to fraction form
    124,285.08/171,614.68 = 101,318.60/x
  3. Step 3: Cross multiply
    124,285.08x = 171,614.68 × 101,318.60
  4. Step 4: Simplify right side
    124,285.08x = 17,387,759,117.05
  5. Step 5: Solve for x
    x = 17,387,759,117.05/124,285.08
  6. Step 6: Final answer
    x = 139,902.22

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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.