Home / 107,205.12-160,742.88-51,062.40

Finding the Fourth Proportional to 107,205.12, 160,742.88 and 51,062.40

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Solution

The fourth proportional to 107,205.12, 160,742.88 and 51,062.40 is: 76,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,205.12 : 160,742.88 = 51,062.40 : x
  2. Step 2: Convert to fraction form
    107,205.12/160,742.88 = 51,062.40/x
  3. Step 3: Cross multiply
    107,205.12x = 160,742.88 × 51,062.40
  4. Step 4: Simplify right side
    107,205.12x = 8,207,917,235.71
  5. Step 5: Solve for x
    x = 8,207,917,235.71/107,205.12
  6. Step 6: Final answer
    x = 76,562.74

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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.