Home / 107,165.89-147,873.09-59,419.58

Finding the Fourth Proportional to 107,165.89, 147,873.09 and 59,419.58

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Solution

The fourth proportional to 107,165.89, 147,873.09 and 59,419.58 is: 81,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,165.89 : 147,873.09 = 59,419.58 : x
  2. Step 2: Convert to fraction form
    107,165.89/147,873.09 = 59,419.58/x
  3. Step 3: Cross multiply
    107,165.89x = 147,873.09 × 59,419.58
  4. Step 4: Simplify right side
    107,165.89x = 8,786,556,384.56
  5. Step 5: Solve for x
    x = 8,786,556,384.56/107,165.89
  6. Step 6: Final answer
    x = 81,990.24

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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.