Home / 107,422.41-148,106.64-76,832.34

Finding the Fourth Proportional to 107,422.41, 148,106.64 and 76,832.34

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Solution

The fourth proportional to 107,422.41, 148,106.64 and 76,832.34 is: 105,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,422.41 : 148,106.64 = 76,832.34 : x
  2. Step 2: Convert to fraction form
    107,422.41/148,106.64 = 76,832.34/x
  3. Step 3: Cross multiply
    107,422.41x = 148,106.64 × 76,832.34
  4. Step 4: Simplify right side
    107,422.41x = 11,379,379,720.74
  5. Step 5: Solve for x
    x = 11,379,379,720.74/107,422.41
  6. Step 6: Final answer
    x = 105,931.15

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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.