Home / 366,929.40-550,335-100,628.08

Finding the Fourth Proportional to 366,929.40, 550,335 and 100,628.08

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Solution

The fourth proportional to 366,929.40, 550,335 and 100,628.08 is: 150,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,929.40 : 550,335 = 100,628.08 : x
  2. Step 2: Convert to fraction form
    366,929.40/550,335 = 100,628.08/x
  3. Step 3: Cross multiply
    366,929.40x = 550,335 × 100,628.08
  4. Step 4: Simplify right side
    366,929.40x = 55,379,154,406.80
  5. Step 5: Solve for x
    x = 55,379,154,406.80/366,929.40
  6. Step 6: Final answer
    x = 150,925.91

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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.