Home / 283,831.48-391,682.10-156,518.92

Finding the Fourth Proportional to 283,831.48, 391,682.10 and 156,518.92

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Solution

The fourth proportional to 283,831.48, 391,682.10 and 156,518.92 is: 215,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,831.48 : 391,682.10 = 156,518.92 : x
  2. Step 2: Convert to fraction form
    283,831.48/391,682.10 = 156,518.92/x
  3. Step 3: Cross multiply
    283,831.48x = 391,682.10 × 156,518.92
  4. Step 4: Simplify right side
    283,831.48x = 61,305,659,275.33
  5. Step 5: Solve for x
    x = 61,305,659,275.33/283,831.48
  6. Step 6: Final answer
    x = 215,993.16

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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.