Home / 340,292.44-469,595.58-189,386.20

Finding the Fourth Proportional to 340,292.44, 469,595.58 and 189,386.20

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Solution

The fourth proportional to 340,292.44, 469,595.58 and 189,386.20 is: 261,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,292.44 : 469,595.58 = 189,386.20 : x
  2. Step 2: Convert to fraction form
    340,292.44/469,595.58 = 189,386.20/x
  3. Step 3: Cross multiply
    340,292.44x = 469,595.58 × 189,386.20
  4. Step 4: Simplify right side
    340,292.44x = 88,934,922,433.00
  5. Step 5: Solve for x
    x = 88,934,922,433.00/340,292.44
  6. Step 6: Final answer
    x = 261,348.51

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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.