Home / 127,767.40-191,688.08-52,873.72

Finding the Fourth Proportional to 127,767.40, 191,688.08 and 52,873.72

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Solution

The fourth proportional to 127,767.40, 191,688.08 and 52,873.72 is: 79,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,767.40 : 191,688.08 = 52,873.72 : x
  2. Step 2: Convert to fraction form
    127,767.40/191,688.08 = 52,873.72/x
  3. Step 3: Cross multiply
    127,767.40x = 191,688.08 × 52,873.72
  4. Step 4: Simplify right side
    127,767.40x = 10,135,261,869.26
  5. Step 5: Solve for x
    x = 10,135,261,869.26/127,767.40
  6. Step 6: Final answer
    x = 79,325.88

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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.