Home / 132,772.37-199,054.87-90,547.77

Finding the Fourth Proportional to 132,772.37, 199,054.87 and 90,547.77

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Solution

The fourth proportional to 132,772.37, 199,054.87 and 90,547.77 is: 135,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.37 : 199,054.87 = 90,547.77 : x
  2. Step 2: Convert to fraction form
    132,772.37/199,054.87 = 90,547.77/x
  3. Step 3: Cross multiply
    132,772.37x = 199,054.87 × 90,547.77
  4. Step 4: Simplify right side
    132,772.37x = 18,023,975,106.23
  5. Step 5: Solve for x
    x = 18,023,975,106.23/132,772.37
  6. Step 6: Final answer
    x = 135,750.95

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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.