Home / 118,349.10-177,523.65-71,693.10

Finding the Fourth Proportional to 118,349.10, 177,523.65 and 71,693.10

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Solution

The fourth proportional to 118,349.10, 177,523.65 and 71,693.10 is: 107,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349.10 : 177,523.65 = 71,693.10 : x
  2. Step 2: Convert to fraction form
    118,349.10/177,523.65 = 71,693.10/x
  3. Step 3: Cross multiply
    118,349.10x = 177,523.65 × 71,693.10
  4. Step 4: Simplify right side
    118,349.10x = 12,727,220,791.82
  5. Step 5: Solve for x
    x = 12,727,220,791.82/118,349.10
  6. Step 6: Final answer
    x = 107,539.65

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1.5x scale

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.