Home / 250,514.48-345,708.70-135,792.68

Finding the Fourth Proportional to 250,514.48, 345,708.70 and 135,792.68

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Solution

The fourth proportional to 250,514.48, 345,708.70 and 135,792.68 is: 187,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,514.48 : 345,708.70 = 135,792.68 : x
  2. Step 2: Convert to fraction form
    250,514.48/345,708.70 = 135,792.68/x
  3. Step 3: Cross multiply
    250,514.48x = 345,708.70 × 135,792.68
  4. Step 4: Simplify right side
    250,514.48x = 46,944,710,872.32
  5. Step 5: Solve for x
    x = 46,944,710,872.32/250,514.48
  6. Step 6: Final answer
    x = 187,393.20

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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.