Home / 166,543.20-249,814.80-61,403.18

Finding the Fourth Proportional to 166,543.20, 249,814.80 and 61,403.18

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Solution

The fourth proportional to 166,543.20, 249,814.80 and 61,403.18 is: 92,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,543.20 : 249,814.80 = 61,403.18 : x
  2. Step 2: Convert to fraction form
    166,543.20/249,814.80 = 61,403.18/x
  3. Step 3: Cross multiply
    166,543.20x = 249,814.80 × 61,403.18
  4. Step 4: Simplify right side
    166,543.20x = 15,339,421,881.99
  5. Step 5: Solve for x
    x = 15,339,421,881.99/166,543.20
  6. Step 6: Final answer
    x = 92,104.76

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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.