Home / 107,020.66-160,515.60-74,902.20

Finding the Fourth Proportional to 107,020.66, 160,515.60 and 74,902.20

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Solution

The fourth proportional to 107,020.66, 160,515.60 and 74,902.20 is: 112,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,020.66 : 160,515.60 = 74,902.20 : x
  2. Step 2: Convert to fraction form
    107,020.66/160,515.60 = 74,902.20/x
  3. Step 3: Cross multiply
    107,020.66x = 160,515.60 × 74,902.20
  4. Step 4: Simplify right side
    107,020.66x = 12,022,971,574.32
  5. Step 5: Solve for x
    x = 12,022,971,574.32/107,020.66
  6. Step 6: Final answer
    x = 112,342.53

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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.