Home / 166,585.46-249,803.06-82,312.74

Finding the Fourth Proportional to 166,585.46, 249,803.06 and 82,312.74

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Solution

The fourth proportional to 166,585.46, 249,803.06 and 82,312.74 is: 123,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,585.46 : 249,803.06 = 82,312.74 : x
  2. Step 2: Convert to fraction form
    166,585.46/249,803.06 = 82,312.74/x
  3. Step 3: Cross multiply
    166,585.46x = 249,803.06 × 82,312.74
  4. Step 4: Simplify right side
    166,585.46x = 20,561,973,917.42
  5. Step 5: Solve for x
    x = 20,561,973,917.42/166,585.46
  6. Step 6: Final answer
    x = 123,431.99

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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.