Home / 278,116.04-416,926.64-100,583.58

Finding the Fourth Proportional to 278,116.04, 416,926.64 and 100,583.58

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Solution

The fourth proportional to 278,116.04, 416,926.64 and 100,583.58 is: 150,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,116.04 : 416,926.64 = 100,583.58 : x
  2. Step 2: Convert to fraction form
    278,116.04/416,926.64 = 100,583.58/x
  3. Step 3: Cross multiply
    278,116.04x = 416,926.64 × 100,583.58
  4. Step 4: Simplify right side
    278,116.04x = 41,935,973,545.65
  5. Step 5: Solve for x
    x = 41,935,973,545.65/278,116.04
  6. Step 6: Final answer
    x = 150,785.89

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1.5x scale

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.