Home / 166,302.60-249,268.70-66,437.16

Finding the Fourth Proportional to 166,302.60, 249,268.70 and 66,437.16

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Solution

The fourth proportional to 166,302.60, 249,268.70 and 66,437.16 is: 99,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,302.60 : 249,268.70 = 66,437.16 : x
  2. Step 2: Convert to fraction form
    166,302.60/249,268.70 = 66,437.16/x
  3. Step 3: Cross multiply
    166,302.60x = 249,268.70 × 66,437.16
  4. Step 4: Simplify right side
    166,302.60x = 16,560,704,504.89
  5. Step 5: Solve for x
    x = 16,560,704,504.89/166,302.60
  6. Step 6: Final answer
    x = 99,581.75

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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.