Home / 209,257.04-288,837.96-142,227.92

Finding the Fourth Proportional to 209,257.04, 288,837.96 and 142,227.92

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Solution

The fourth proportional to 209,257.04, 288,837.96 and 142,227.92 is: 196,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,257.04 : 288,837.96 = 142,227.92 : x
  2. Step 2: Convert to fraction form
    209,257.04/288,837.96 = 142,227.92/x
  3. Step 3: Cross multiply
    209,257.04x = 288,837.96 × 142,227.92
  4. Step 4: Simplify right side
    209,257.04x = 41,080,822,267.84
  5. Step 5: Solve for x
    x = 41,080,822,267.84/209,257.04
  6. Step 6: Final answer
    x = 196,317.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.