Home / 228,215.42-314,831.23-147,668.92

Finding the Fourth Proportional to 228,215.42, 314,831.23 and 147,668.92

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Solution

The fourth proportional to 228,215.42, 314,831.23 and 147,668.92 is: 203,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,215.42 : 314,831.23 = 147,668.92 : x
  2. Step 2: Convert to fraction form
    228,215.42/314,831.23 = 147,668.92/x
  3. Step 3: Cross multiply
    228,215.42x = 314,831.23 × 147,668.92
  4. Step 4: Simplify right side
    228,215.42x = 46,490,786,560.12
  5. Step 5: Solve for x
    x = 46,490,786,560.12/228,215.42
  6. Step 6: Final answer
    x = 203,714.49

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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.