Home / 166,530.15-249,797.61-54,210.96

Finding the Fourth Proportional to 166,530.15, 249,797.61 and 54,210.96

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Solution

The fourth proportional to 166,530.15, 249,797.61 and 54,210.96 is: 81,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,530.15 : 249,797.61 = 54,210.96 : x
  2. Step 2: Convert to fraction form
    166,530.15/249,797.61 = 54,210.96/x
  3. Step 3: Cross multiply
    166,530.15x = 249,797.61 × 54,210.96
  4. Step 4: Simplify right side
    166,530.15x = 13,541,768,243.81
  5. Step 5: Solve for x
    x = 13,541,768,243.81/166,530.15
  6. Step 6: Final answer
    x = 81,317.22

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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.