Home / 294,532.10-442,028.55-136,780.10

Finding the Fourth Proportional to 294,532.10, 442,028.55 and 136,780.10

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Solution

The fourth proportional to 294,532.10, 442,028.55 and 136,780.10 is: 205,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,532.10 : 442,028.55 = 136,780.10 : x
  2. Step 2: Convert to fraction form
    294,532.10/442,028.55 = 136,780.10/x
  3. Step 3: Cross multiply
    294,532.10x = 442,028.55 × 136,780.10
  4. Step 4: Simplify right side
    294,532.10x = 60,460,709,271.86
  5. Step 5: Solve for x
    x = 60,460,709,271.86/294,532.10
  6. Step 6: Final answer
    x = 205,277.15

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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.