Home / 107,556.11-148,431.03-59,160.08

Finding the Fourth Proportional to 107,556.11, 148,431.03 and 59,160.08

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Solution

The fourth proportional to 107,556.11, 148,431.03 and 59,160.08 is: 81,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,556.11 : 148,431.03 = 59,160.08 : x
  2. Step 2: Convert to fraction form
    107,556.11/148,431.03 = 59,160.08/x
  3. Step 3: Cross multiply
    107,556.11x = 148,431.03 × 59,160.08
  4. Step 4: Simplify right side
    107,556.11x = 8,781,191,609.28
  5. Step 5: Solve for x
    x = 8,781,191,609.28/107,556.11
  6. Step 6: Final answer
    x = 81,642.89

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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.