Home / 166,316.80-249,475.20-113,828.80

Finding the Fourth Proportional to 166,316.80, 249,475.20 and 113,828.80

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Solution

The fourth proportional to 166,316.80, 249,475.20 and 113,828.80 is: 170,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.80 : 249,475.20 = 113,828.80 : x
  2. Step 2: Convert to fraction form
    166,316.80/249,475.20 = 113,828.80/x
  3. Step 3: Cross multiply
    166,316.80x = 249,475.20 × 113,828.80
  4. Step 4: Simplify right side
    166,316.80x = 28,397,462,645.76
  5. Step 5: Solve for x
    x = 28,397,462,645.76/166,316.80
  6. Step 6: Final answer
    x = 170,743.20

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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.