Home / 107,671.23-148,432.32-75,741.03

Finding the Fourth Proportional to 107,671.23, 148,432.32 and 75,741.03

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Solution

The fourth proportional to 107,671.23, 148,432.32 and 75,741.03 is: 104,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671.23 : 148,432.32 = 75,741.03 : x
  2. Step 2: Convert to fraction form
    107,671.23/148,432.32 = 75,741.03/x
  3. Step 3: Cross multiply
    107,671.23x = 148,432.32 × 75,741.03
  4. Step 4: Simplify right side
    107,671.23x = 11,242,416,802.09
  5. Step 5: Solve for x
    x = 11,242,416,802.09/107,671.23
  6. Step 6: Final answer
    x = 104,414.31

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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.