Home / 219,026.20-328,648.65-124,329.10

Finding the Fourth Proportional to 219,026.20, 328,648.65 and 124,329.10

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Solution

The fourth proportional to 219,026.20, 328,648.65 and 124,329.10 is: 186,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.20 : 328,648.65 = 124,329.10 : x
  2. Step 2: Convert to fraction form
    219,026.20/328,648.65 = 124,329.10/x
  3. Step 3: Cross multiply
    219,026.20x = 328,648.65 × 124,329.10
  4. Step 4: Simplify right side
    219,026.20x = 40,860,590,870.72
  5. Step 5: Solve for x
    x = 40,860,590,870.72/219,026.20
  6. Step 6: Final answer
    x = 186,555.72

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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.