Home / 105,193.97-145,148.48-59,869.30

Finding the Fourth Proportional to 105,193.97, 145,148.48 and 59,869.30

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Solution

The fourth proportional to 105,193.97, 145,148.48 and 59,869.30 is: 82,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,193.97 : 145,148.48 = 59,869.30 : x
  2. Step 2: Convert to fraction form
    105,193.97/145,148.48 = 59,869.30/x
  3. Step 3: Cross multiply
    105,193.97x = 145,148.48 × 59,869.30
  4. Step 4: Simplify right side
    105,193.97x = 8,689,937,893.66
  5. Step 5: Solve for x
    x = 8,689,937,893.66/105,193.97
  6. Step 6: Final answer
    x = 82,608.71

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1.5x scale

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.