Home / 118,567.20-176,985.24-103,620

Finding the Fourth Proportional to 118,567.20, 176,985.24 and 103,620

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Solution

The fourth proportional to 118,567.20, 176,985.24 and 103,620 is: 154,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.20 : 176,985.24 = 103,620 : x
  2. Step 2: Convert to fraction form
    118,567.20/176,985.24 = 103,620/x
  3. Step 3: Cross multiply
    118,567.20x = 176,985.24 × 103,620
  4. Step 4: Simplify right side
    118,567.20x = 18,339,210,568.80
  5. Step 5: Solve for x
    x = 18,339,210,568.80/118,567.20
  6. Step 6: Final answer
    x = 154,673.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.