Home / 107,333.48-161,116.86-90,770.60

Finding the Fourth Proportional to 107,333.48, 161,116.86 and 90,770.60

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Solution

The fourth proportional to 107,333.48, 161,116.86 and 90,770.60 is: 136,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,333.48 : 161,116.86 = 90,770.60 : x
  2. Step 2: Convert to fraction form
    107,333.48/161,116.86 = 90,770.60/x
  3. Step 3: Cross multiply
    107,333.48x = 161,116.86 × 90,770.60
  4. Step 4: Simplify right side
    107,333.48x = 14,624,674,052.32
  5. Step 5: Solve for x
    x = 14,624,674,052.32/107,333.48
  6. Step 6: Final answer
    x = 136,254.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.