Home / 107,666.47-148,425.76-75,736.27

Finding the Fourth Proportional to 107,666.47, 148,425.76 and 75,736.27

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Solution

The fourth proportional to 107,666.47, 148,425.76 and 75,736.27 is: 104,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,666.47 : 148,425.76 = 75,736.27 : x
  2. Step 2: Convert to fraction form
    107,666.47/148,425.76 = 75,736.27/x
  3. Step 3: Cross multiply
    107,666.47x = 148,425.76 × 75,736.27
  4. Step 4: Simplify right side
    107,666.47x = 11,241,213,434.32
  5. Step 5: Solve for x
    x = 11,241,213,434.32/107,666.47
  6. Step 6: Final answer
    x = 104,407.75

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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.