Home / 219,258.68-302,577.90-123,766.52

Finding the Fourth Proportional to 219,258.68, 302,577.90 and 123,766.52

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Solution

The fourth proportional to 219,258.68, 302,577.90 and 123,766.52 is: 170,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,258.68 : 302,577.90 = 123,766.52 : x
  2. Step 2: Convert to fraction form
    219,258.68/302,577.90 = 123,766.52/x
  3. Step 3: Cross multiply
    219,258.68x = 302,577.90 × 123,766.52
  4. Step 4: Simplify right side
    219,258.68x = 37,449,013,711.91
  5. Step 5: Solve for x
    x = 37,449,013,711.91/219,258.68
  6. Step 6: Final answer
    x = 170,798.32

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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.