Home / 245,766.08-368,792.40-103,602.65

Finding the Fourth Proportional to 245,766.08, 368,792.40 and 103,602.65

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Solution

The fourth proportional to 245,766.08, 368,792.40 and 103,602.65 is: 155,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,766.08 : 368,792.40 = 103,602.65 : x
  2. Step 2: Convert to fraction form
    245,766.08/368,792.40 = 103,602.65/x
  3. Step 3: Cross multiply
    245,766.08x = 368,792.40 × 103,602.65
  4. Step 4: Simplify right side
    245,766.08x = 38,207,868,095.90
  5. Step 5: Solve for x
    x = 38,207,868,095.90/245,766.08
  6. Step 6: Final answer
    x = 155,464.37

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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.