Home / 632,105.51-948,159.07-258,128.51

Finding the Fourth Proportional to 632,105.51, 948,159.07 and 258,128.51

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Solution

The fourth proportional to 632,105.51, 948,159.07 and 258,128.51 is: 387,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,105.51 : 948,159.07 = 258,128.51 : x
  2. Step 2: Convert to fraction form
    632,105.51/948,159.07 = 258,128.51/x
  3. Step 3: Cross multiply
    632,105.51x = 948,159.07 × 258,128.51
  4. Step 4: Simplify right side
    632,105.51x = 244,746,882,595.97
  5. Step 5: Solve for x
    x = 244,746,882,595.97/632,105.51
  6. Step 6: Final answer
    x = 387,193.09

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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.