Home / 105,180.27-145,167.48-62,157.93

Finding the Fourth Proportional to 105,180.27, 145,167.48 and 62,157.93

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Solution

The fourth proportional to 105,180.27, 145,167.48 and 62,157.93 is: 85,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,180.27 : 145,167.48 = 62,157.93 : x
  2. Step 2: Convert to fraction form
    105,180.27/145,167.48 = 62,157.93/x
  3. Step 3: Cross multiply
    105,180.27x = 145,167.48 × 62,157.93
  4. Step 4: Simplify right side
    105,180.27x = 9,023,310,060.12
  5. Step 5: Solve for x
    x = 9,023,310,060.12/105,180.27
  6. Step 6: Final answer
    x = 85,789.00

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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.