Home / 354,211.77-531,205.88-140,886.93

Finding the Fourth Proportional to 354,211.77, 531,205.88 and 140,886.93

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Solution

The fourth proportional to 354,211.77, 531,205.88 and 140,886.93 is: 211,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,211.77 : 531,205.88 = 140,886.93 : x
  2. Step 2: Convert to fraction form
    354,211.77/531,205.88 = 140,886.93/x
  3. Step 3: Cross multiply
    354,211.77x = 531,205.88 × 140,886.93
  4. Step 4: Simplify right side
    354,211.77x = 74,839,964,926.71
  5. Step 5: Solve for x
    x = 74,839,964,926.71/354,211.77
  6. Step 6: Final answer
    x = 211,285.93

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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.